דלג לתוכן (מקש קיצור 's')
אירועים

אירועים והרצאות בפקולטה למדעי המחשב ע"ש הנרי ומרילין טאוב

אירוע Tech Experience של אינטל
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יום שלישי, 30.05.2023, 09:00
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רחבת "שני" של בניין טאוב
הנכם מוזמנים לאירוע Tech Experience של אינטל,ביום שלישי, 30 במאי 2023, ברחבת "שני" של בניין טאוב: בין השעות 9:00-12:00 - מתחם AR/VR בין השעות 12:00-13:30 / 13:30-15:00 - שני סבבי סדנת FPGA Hello world ...
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יום זרקור של CYE
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יום רביעי, 31.05.2023, 12:30
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טאוב 012 (אודיטוריום, מרכז רב תכליתי)
הנכם מוזמנים ליום זרקור מטעם חברת CYE עם מהנדסים וצוותי גיוס ולהרצאה טכנולוגית מפי דר' נמרוד פרטוש, בוגר הפקולטה וסמנכ"ל בינה מלאכותית בחברה, שתעסוק בשאלה: איך מכמתים את הסיכוי לתקיפת סייבר בארגונים אמיתיים (ומה עושים כשהבעיה NP-קשה)? - ביום רביעי, 31 במאי, 2023 בשעה 12:30 בלוב...
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Theory Seminar: Almost Chor–Goldreich Sources and Adversarial Random Walks
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דין דורון (אונ' בן-גוריון)
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יום רביעי, 31.05.2023, 12:30
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טאוב 201
In this talk we consider the following adversarial, non-Markovian, random walk on “good enough” expanders: Starting from some fixed vertex, walk according to the instructions X = X1,…,Xt, where each Xi is only somewhat close to having only little entropy, conditioned on any prefix. The Xi-s are not independent, meaning that the distribution of the next step depends not only on the walk’s current node, but also on the path it took to get there. We show that such walks (or certain variant...
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שיפור הביצועים ומתודולוגיית ההערכה של מערכות זיכרון וירטואלי
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עידן יניב
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יום רביעי, 31.05.2023, 14:30
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הרצאת זום וטאוב 601
The virtual memory subsystem translates the address of each memory reference from its virtual to its physical representation, increasing execution runtimes by as much as 50% and 90% in bare-metal and virtual setups, respectively. We alleviate these overheads by developing improved virtual memory designs: (i) hashed page tables and (ii) TLB partitioning for simultaneous multithreading. We additionally develop an efficient and reliable methodology for evaluating the performance of newly proposed v...
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קודים לתיקון מחיקות-זנב
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בועז מואב
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יום רביעי, 31.05.2023, 16:30
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טאוב 601
The increasing demand for data storage has prompted the exploration of new techniques, with molecular data storage being a promising alternative. The stored information can be represented as a collection of two-dimensional arrays, such that each row represents a DNA strand. In this work, we present the results of our research into error-correcting codes for molecular data storage using this representation. Although both insertions and deletions have been observed to occur, the focus of our work ...
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ערב "מחקר על הבר" - הרצאות TED
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יום רביעי, 31.05.2023, 19:00
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מרפסת טאוב
הנכם מוזמנים לערב "מחקר על הבר" - הרצאות TED ומפגש עם שלושה חברי סגל ומלגאים בקבוצות המחקר ביום רביעי, 23 בנובמבר בשעה 19:00 בטאוב 337: פרופ' איתן יעוקבי: אחסון מידע בDNA: מי אכל את הקבצים שלי? ד"ר שאול אלמגור: איך לא לטעות אף פעם בשום דבר ד"ר רון רוטבלום: איך להוכיח מבלי לחשוף דבר...
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מדידת הסיבוכיות של אלגורתמי רשתות ניורונים
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יארא שמשום
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יום חמישי, 01.06.2023, 11:00
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Zoom Lecture: 93993434972 and Taub 601
Substantial efforts have been devoted into improving the capabilities of neural networks to solve algorithmic tasks. Through training, these networks learn to mimic algorithmic behaviour, enabling them to handle tasks such as sorting, navigating, and managing complex data structures like graphs. However, classic algorithms and neural networks are fundamentally different, making it challenging to analyze the complexity of an algorithm learned by a neural network. First, it is necessary to establi...
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SYSTOR 2023
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יום שני, 05.06.2023, 08:45
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מוסד שמואל נאמן בטכניון
הנכם מוזמנים להשתתף בכנס הבינלאומי SYSTOR 2023, המוביל בתחומי המערכות, הענן והאיחסון, אשר יתקיים השנה לראשונה בטכניון, בימים שני-רביעי, 5-7 ביוני,2023, במוסד שמואל נאמן בטכניון. ההשתתפות אינה כרוכה בתשלום אך דורשת הרשמה מראש...
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מפגש מחקר ב-NLP
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יום שני, 05.06.2023, 18:30
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מרפסת טאוב
הנכם מוזמנים למפגש המחקר NLP Research Night (בשיתוף Grove Ventures) - שולחנות עגולים עם חוקרים בכיר...
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ערך קבלת עזרה עבור סוכנים שנעים בסביבה
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עדי אמוזיג
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יום רביעי, 07.06.2023, 12:30
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הרצאת זום: 92471871959
Mobile robotic agents often suffer from localization uncertainty which grows with time and with the agents' movement. This can hinder their ability to accomplish their task. In some settings, it may be possible to perform assistive actions that reduce uncertainty about a robot’s location. Since assistance may be costly and limited, and may be requested by different members of a team, there is a need for principled ways to support the decision of which assistance to provide to an agent and when...
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מודל שחזור מילים וסינתוז דנא מבוסס רצפים של בסיסים
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מאריה אבו סיני
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יום רביעי, 07.06.2023, 16:30
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טאוב 601
Levenshtein's reconstruction model was first introduced in 2001 and suggests transmitting a word over multiple noisy channels, then using the channels' outputs to recover the transmitted word. This talk will discuss the reconstruction model when the channels are prone to combinations of errors, or when unique retrieval of the transmitted word is not guaranteed to succeed. In particular, when the channels introduce a limited number of insertions (or deletions), and unique decoding is not guarante...
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סיווג אסטרטגי סיבתי
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גיא הורוביץ
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יום שני, 12.06.2023, 11:30
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טאוב 601
When users can benefit from certain predictive outcomes, they may be prone to act to achieve those outcome, e.g., by strategically modifying their features. The goal in strategic classification is therefore to train predictive models that are robust to such behavior. However, the conventional framework assumes that changing features does not change actual outcomes, which depicts users as "gaming" the system. Here we remove this assumption, and study learning in a causal strategic setting where t...
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הרצאת אורח מיוחד: The Value of Errors in Proofs
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אבי ויגדרזון (IAS Princeton)
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יום שני, 12.06.2023, 14:30
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טאוב 337
CS Special Guest Lecture by Prof. Avi Wigderson, IAS Princeton, on the Occasion of his Being Awarded an Honorary Doctorate from the Technion Recently, a group of theoretical computer scientists posted a paper on the Arxiv with the strange-looking title "MIP* = RE", surprising and impacting not only complexity theory but also some areas of math and physics. Specifically, it resolved, in the negative, the "Connes' embedding conjecture" in the area of von-Neumann algebras, and the "Tsirelson probl...
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שערוך מיקום בגישה חסינה מבוססת תמונות ומודל קרקע תלת מימדי
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דן נבון
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יום שלישי, 13.06.2023, 16:00
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Zoom Lecture: 94171574353 and Taub 601.
Terrain-aided navigation (TAN) was developed before the GPS era to prevent the error growth of inertial navigation. TAN algorithms were initially developed to exploit altitude over ground or clearance measurements from a radar altimeter in combination with a Digital Terrain Map (DTM). After almost two decades of silence, the availability of inexpensive cameras and computational power and the need to find efficient GPS-denied positioning solutions have prompted a renewed interest in this solution...
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CS Colloquia: Power, Responsibility and Computer Science Training
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מתן גביש (האו' העברית בירושלים)
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יום שלישי, 13.06.2023, 16:00
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טאוב 337
Over the course of four decades, the academic field of computer science transformed from a branch of mathematics to a key driver of the evolution of our species. Graduates of academic computer science programs today routinely create systems that would have been considered, just a century ago, miracles of mythic proportions. Judging by cultural impact, computer science departments today resemble Hogwarts much more than they resemble the theoretical havens they used to be before computers got se...
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הקיבול של סימון רצפי דנא
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דגנית חנניה
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יום רביעי, 14.06.2023, 16:30
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טאוב 601
DNA labeling is a powerful tool in molecular biology and biotechnology that allows for the visualization, detection, and study of DNA at the molecular level. Under this paradigm, a DNA molecule is being labeled by specific k patterns and is then imaged. Then, the resulted image is modeled as a (k + 1)-ary sequence in which any non-zero symbol indicates on the appearance of the corresponding label in the DNA molecule. The primary goal of this work is to study the labeling capacity, which is defin...
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Coding Theory: How to Catch Liars in distributed Gradient Descent
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Christoph Hofmeister (Technical University of Munich (TUM), Munich, Germany)
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יום ראשון, 28.05.2023, 14:30
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טאוב 601
This talk is about distributed machine learning in the presence of Byzantine errors. A main node performs gradient descent steps with the help of some worker nodes, a limited number of which are controlled by an adversary. These malicious worker nodes can return arbitrary data to the main node instead of the desired computation results. Prior work proposes distributing the data with redundancy among the workers and using error correction codes to detect and correct the erroneous computation resu...
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אופטימיזציה של מולקולות לפיתוח תרופות עם מידע מצומצם
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נתן קמינסקי
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יום ראשון, 28.05.2023, 12:00
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הרצאת זום: 95830045630
Drug development is a long and costly process consisting of several stages that can take many years to complete. One of the early stage's goals is to optimize a novel chemical compound to be active against a target protein associated with the disease. The goal of molecule optimization is, given an input molecule, to produce a new molecule that is chemically similar to the input molecule but with an improved property. In this work, we present a novel approach for optimizing molecules. We pr...
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CGGC Seminar: Unconventional Fields: What are these Vectors Actually Good For
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פרופ' אמיר וקסמן (אונ' אדינבורו)
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יום ראשון, 28.05.2023, 11:30
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טאוב 012 (אודיטוריום, מרכז רב תכליתי)
Directional and vector fields are central objects in geometry processing. They are commonly represented with low-order simple elements on watertight surfaces in FEM and in computer graphics, for simplicity and sparsity. Moreover, they are classically defined only on conventional symmetries. I will discuss some recent works of extending these classical representations with alternative bases, where then important tasks in downstream applications like meshing, computations of flows, making Penrose ...
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כנס בוגרי תוכנית המצויינות
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יום רביעי, 24.05.2023, 13:00
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אודיטוריום 1 בניין טאוב למדעי המחשב
הנכם מוזמנים לחגוג 30 שנות מצויינות: תוכנית הטכניון למצויינים מציינת 30 שנים להקמתה בסדרת הרצאות, ביום רביעי, 24 במאי, 2023 בין 13:00-17:00, באודיטוריום טאוב 1, מפי בוגרי התוכנית ומומחים מהאקדמיה והתעשייה שידברו על ניסיונם ותובנותיהם על המגמות, החידושים והאתגרים האחרונים בתחומ...
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Theory Seminar: A Sheaf-theoretic Approach to Constructing Locally Testable Codes
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אוריה פירסט (אונ' חיפה(
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יום רביעי, 24.05.2023, 12:30
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טאוב 201
I will discuss a new approach towards constructing good locally testable codes (LTCs) with better qualities than the recent constructions of good LTCs. This approach continues the trend of using high dimensional expanders (HDXs) for constructing LTCs, but introduces a new ingredient: a sheaf on the HDX at hand. We show that if one could find a single example of a sheaved HDX satisfying some local expansion conditions and a cohomological condition --- both of which can be checked in finite (const...
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ceClub: Translational Computer Science at Work
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מירון ליבני (אונ' ויסקונסטין מדיסון)
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יום רביעי, 24.05.2023, 11:30
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טאוב 401
The UW-Madison Center for High Throughput Computing (CHTC) is the home of the HTCondor Software Suite (HTCSS). Located in the Computer Sciences department, the center was established more than 15 years ago on the foundation of a research methodology that brings together innovation in distributed computing and services to scientists. Evaluation of new technologies under real-life conditions by engaged users advanced scientific discovery and guided the center in future research and development act...
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Pixel Club: Cycle-edge Message Passing for Group and Non-group Synchronization
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גלעד לרמן (אונ' מינסטוה)
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יום שלישי, 23.05.2023, 11:30
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חדר 1061, בניין מאייר, הפקולטה להנדסת חשמל
The general synchronization problem asks to recover states of objects from their corrupted relative measurements. When the states are represented by group elements (e.g. 3-D rotations or permutations) this problem is known as group synchronization. In several applications, the algebraic structure of the states is more complicated, for example, the states can be represented by partial permutations. The synchronization problem has many applications, in particular, to structure-from-motion (SfM), w...
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שיטות יעילות מסדר ראשון ושני עבור אופטימיזציה וניתור פונקציות
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הדר סיון
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יום שני, 22.05.2023, 13:00
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הרצאת זום: 97461530486 וטאוב 601
Machine learning model training is a computationally expensive task that requires significant amounts of time and resources, especially for larger models. The problem is further increased when data arrives in a continuous stream since the model must be retrained multiple times to incorporate the new data and ensure the model remains accurate. Another difficulty arises during inference time when the data is geo-distributed; centralizing all data updates can be costly and lead to network overhead....
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אירוע שולחנות עגולים של אינטל
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יום רביעי, 17.05.2023, 17:30
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טאוב 337
הנכם מוזמנים לאירוע שולחנות עגולים עם חוקרי אינטל בנושא עולם הוולידציה ואיך מתמודדים עם אתגרי וולידציה באמצעות AI, ביום שלישי, 16 במאי, 2023, 17:30 בטאוב 337 נא להירשם מראש....
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CS Colloquia: Testing Quantum Systems in the High-complexity Regime
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Thomas Vidick (Weizmann Institute of Science)
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יום רביעי, 17.05.2023, 12:30
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טאוב 337
From carefully crafted quantum algorithms to information-theoretic security in cryptography, a quantum computer can achieve impressive feats with no classical analogue. Can their correct realization be verified? When the power of the device greatly surpasses that of the user, computationally as well as cryptographically, what means of control remain available to the user? Recent lines of work in quantum cryptography and complexity develop approaches to this question based on the notion of an int...
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יום זרקור של חברת Istra Research
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יום רביעי, 17.05.2023, 12:30
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קומת הכניסה וטאוב 3, בניין טאוב למדעי המחשב
חברת Istra Research תקיים יום זרקור ביום רביעי 17 במאי, 2023, בין השעות 12:30-14:30 בקומת הכניסה לבניין טאוב, וב-13:00 תתקיים הרצאה בטאוב 3 (קומת הכניסה) בנושא "מבוא לאלגוטריידינג" -  High Frequency Trading - שתסקור מושגי יסוד בתחום. נא ...
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Pixel Club: The Success and Challenges of Representation-Based Anomaly Detection
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ניב כהן (האונ' העברית בירושלים)
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יום שלישי, 16.05.2023, 11:30
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חדר 1061, בניין מאייר, הפקולטה להנדסת חשמל
Anomaly detection aims to discover data which differ from the norm in a semantically meaningful manner. The task is difficult as anomalies are rare and unexpected. Moreover, a sample can be an important anomaly to one person and an uninteresting statistical outlier to another. In this talk, I will first present how deep representations brought substantial gains for image anomaly detection and segmentation. Next, we will discuss the types of representations that are beneficial for anomaly detect...
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Coding Theory: Cover Your Bases: How to Minimize the Sequencing Coverage in DNA Storage Systems
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דניאלה בר-לב (מדעי המחשב, טכניון)
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יום ראשון, 14.05.2023, 14:30
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טאוב 601
This seminar will be divided into two parts. In the first part, we will provide an introduction to DNA storage systems. This will include an overview of their biological and computational components, as well as a survey of the current technologies and emerging trends in the market landscape. In the second part, we will focus on a novel problem called the DNA coverage depth problem. Motivated by the high cost and latency associated with DNA sequencing, we aim to design coding schemes that minim...
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Distributed Computing Seminar: Asynchronous Wait-Free Runtime Verification and Enforcement of Linearizability
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Armando Castañeda (National Autonomous University of Mexico)
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יום ראשון, 14.05.2023, 11:30
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טאוב 301
This work studies the problem of distributed runtime verification of linearizability for asynchronous concurrent implementations. It proposes an interactive model for distributed runtime verification and shows that it is impossible to verify at runtime this correctness condition for some common sequential objects such as queues, stacks, sets, priority queues, counters and the consensus problem. The impossibility captures informal arguments used in the past that argue distributed runtime verifica...
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סדנת מעשית לאיסוף מידע מטעם חברת CYE
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יום רביעי, 10.05.2023, 18:30
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טאוב 337
הנכם מוזמנים לסדנת איסוף מידע כחלק מ-Bug Bounty מטעם חברת CYE, בהנחיית נפתלי אלעזר, מומחה סייבר בחברת CYE, ולשמוע על מיפוי תהליך איסוף המידע כחלק מתהליך זיהוי הפגיעויות בארגון, על כלים וטכניקות לזיהוי נכסים ארגוניים החשופים לאינטרנט, ועל איסוף מידע בעזרת כלים מוכרים ושימושם ...
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יום זרקור של חברת Intuit (אינטואיט)
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יום רביעי, 10.05.2023, 12:30
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קומת הכניסה, בניין טאוב למדעי המחשב
חברת Intuit (אינטואיט) - חברת פינטק גלובלית - תקיים ליום זרקור ותציג את תחום עיסוקה ב-Trust Data & Deep Insight, את הטכנולוגיה והמוצרים שלה וכן משרות פנויות, ביום רביעי, 10 במאי, 2023 החל מהשעה 12:30 בלובי טאוב....
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Theory Seminar: HDX Condensers
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אמנון תא שמע (אונ' תל-אביב)
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יום רביעי, 10.05.2023, 12:30
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טאוב 201
More than twenty years ago, Capalbo, Reingold, Vadhan and Wigderson gave the first (and up to date only) explicit construction of a bipartite expander with almost full combinatorial expansion. The construction incorporates zig-zag ideas together with extractor technology, and is rather complicated. We give an alternative construction that builds upon recent constructions of hyper-regular, high-dimensional expanders. The new construction is, in our opinion, simple and elegant. Beyond demonstrati...
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Tech Talk מטעם חברת StarkWare
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יום שלישי, 09.05.2023, 18:00
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חונטה בר, טכניון
הנכם מזומנים ל-Tech Talk מטעם חברת StarkWare המפתחת פתרונות מבוססי STARK בתעשיית הבלוקצ'יין, על בלוקצ'יין, בעיית Scale, ועל הוכחות באפס ידיעה (zk proofs), ביום ראשון, 9 במאי, 2023, 18:00, בחונטה בר, הטכניון. נא להירשם מראש. ...
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CS Colloquia: From Snapping Fixtures to Multi-robot Coordination: Geometry at the Service of Robotics
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דן הלפרין (אונ' תל-אביב)
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יום שלישי, 09.05.2023, 14:30
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טאוב 337
Robots sense, move and act in the physical world. It is therefore natural that understanding the geometry of the problem at hand is often key to devising an effective robotic solution. I will review several problems in robotics and automation in whose solution geometry plays a major role. These include designing optimized 3D printable fixtures, object rearrangement by robot arm manipulators, and efficient coordination of the motion of large teams of robots. As we shall see, exploiting geometric ...
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בעיות היפוך ויישומיהם בהדמייה חישובית וכימיה
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תומר וייס
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יום שלישי, 09.05.2023, 11:30
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הרצאת זום: /3369147024 וטאוב 012
In this talk, I will present two chapters from my Ph.D. thesis. The core of my research focuses on methods that utilize the power of modern neural networks not only for their conventional tasks such as prediction or reconstruction, but rather use the information they “learned” (usually in the forms of their gradients) in order to optimize some end-task, draw insight from the data, or even guide a generative model. The first part of the talk is dedicated to computational imaging and shows ho...
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קודים לתיקון שגיאות מקצה לקצה במערכות אחסון מידע מבוססות ד.נ.א
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אביטל בורוחובסקי
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יום ראשון, 07.05.2023, 14:30
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טאוב 601
Existing storage technologies cannot keep up with the modern data explosion. There is a growing need to find alternatives for the current solutions for storing data. Storage systems based DNA, seems like an attractive possibility due to a number of unique properties of DNA mulecules, among them are that DNA is extremely dense (up to about 1 exabyte per cubic millimeter) and durable (half-life of over 500 years). A typical DNA storage system consists of three important components. The first is...
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טכניקות למידה מודרניות עבור הורדת רעש בתמונות ווידאו בטמצעות התאמת טלאים
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גריגורי וקסמן
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יום שלישי, 02.05.2023, 11:30
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טאוב 401
Image and video denoising has been an area of research interest for decades. This talk will present three novel methods that take the denoising field a step forward. All the proposed methods in this work strongly rely on exploiting non-local self-similarity using patch matching. The first method, termed LIDIA [1], has two contributions. First, we propose a low-weight architecture that achieves near state-of-the-art performance. Our architecture relies on patch matching and separable processing...
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על החישוב המבוזר של קבוצת קשתות מינימלית החותכת כל המשולשים
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מג'ד ח'ורי
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יום שלישי, 02.05.2023, 10:30
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הרצאת זום: 96304259439 וטאוב 601
In this work, we study the complexity of computing the distance of a graph from being triangle-free in distributed settings, that is, computing the minimum number of edges that must be removed to achieve a graph without triangles. We present lower bounds for the exact solution showing that this task is “as hard as it gets”. We also show fast algorithms for approximate solutions in multiple distributed models....
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זיהוי סתירות בספרות רפואית
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דייב מכרווקס
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יום חמישי, 27.04.2023, 09:30
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הרצאת זום: 99219466853 וטאוב 601
Detecting contradictions in text is essential in determining the validity of the literature and sources that we consume. Medical corpora are riddled with conflicting statements. This is due to the large throughput of new studies and the difficulty in replicating experiments, such as clinical trials. Detecting contradictions in this domain is hard since it requires clinical expertise. In this work, we present a distant supervision approach that leverages a medical ontology to build a seed of pote...
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מפגש ייעודי לסטודנטים לתארים מתקדמים: קריירת מחקר בתעשייה
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יום ראשון, 23.04.2023, 17:30
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מועדון משתלמים, קומה 2, בניין טאוב למדעי המחשב
הנכם מוזמנים למפגש ייעודי לסטודנטים לתארים מתקדמים, עם פאנל שיעסוק בקריירת מחקר בתעשייה: כיצד נראה מחקר בתעשייה? מה תהליך הקבלה למשרות מחקר? מהם סוגי המשרות הקיימים ומסלולי קריירה? בהשתתפות: ד"ר ליאן לוין-איתן, מנהלת קבוצת מחקר, אמזון עמיחי שולמן, יזם ומשקיע סייבר ד"ר...
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מחרוזות דה‫-‬ברויין מאוזנות
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שגיא מרקוביץ
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יום ראשון, 23.04.2023, 16:30
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הרצאת זום: 92840391109
Balanced sequences and balanced codes have attracted a lot of research in the last seventy years due to their diverse applications in information theory as well as other areas of computer science and engineering. There have been some methods to classify balanced sequences. This work suggests two new different hierarchies to classify these sequences. The first one is based on the largest $\ell$ for which each $\ell$-tuple is contained the same amount of times in the sequence. This property is a g...
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Coding Theory: The Multiple-Access Channel with Entangled Transmitters
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פרופ' עוזי פרג
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יום ראשון, 23.04.2023, 14:30
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טאוב 601
Quantum communication has seen rapid development in the last decade, in both practice and theory. Recently, there is a growing interest in how quantum entanglement can assist classical networks, i.e., non-quantum communication systems. In particular, there are known examples of classical multi-user channels such that the sum rate with entangled transmitters is strictly higher than the best achievable sum rate without such resources. The present work studies a two-user classical multiple-access...
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CS Lecture: The Power of Intelligent Language Models
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אדם קלעאי (מיקרוסופט מחקר ניו אינגלנד
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יום חמישי, 20.04.2023, 13:00
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טאוב 601
Abstract: Recently, large language models have been trained on intelligent languages including natural languages, such as English, and programming languages, such as Python. We will examine several interesting applications of these models. First, they can be used to enumerate human stereotypes and discriminatory biases, suggesting that they must be used carefully. Second, they can be used to generate and solve their own programming puzzles, which can be used in a self-training pipeline to solve ...
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הרצאה על AI מטעם NVDIA
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יום רביעי, 19.04.2023, 19:00
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חדר 1003, בניין מאייר, הפקולטה להנדסת חשמל
הנכם מוזמנים להרצאה משותפת של הפקולטות למדעי המחשב והנדסת חשמל מטעם חברת NVIDIA שתסקור את טכנולוגיות ה-AI ושל אנבידיה, וכן את ההתפתחויות האחרונות בתחום מודלי שפה גדולים, כולל כלים יעילים להרצה של מודלים גדולים, ביום רביעי 19 באפריל' 2023, בשעה 19:00, בפקולטה להנדסת חשמל, אודטור...
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יום פתוח לתארים מתקדמים במדעי המחשב
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יום רביעי, 19.04.2023, 12:30
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טאוב 337
היום הפתוח במדעי המחשב בטכניון מזמין בוגרי תואר ראשון מצטיינים מכל האוניברסיטאות להירשם ללימודי תארים מתקדמים בפקולטה למדעי המחשב בסמסטר חורף תשפ"ד. האירוע יתקיים ביום ד', 19 באפריל, 2023, בין השעות 12:30-14:00, חדר 337, בניין טאוב למדעי המחשב בטכניון. תוכנית הי...
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Coding Theory: Interleaved (Rank-Metric) Codes for Cryptography
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Prof. Antonia Wachter-Zeh (University of Munich)
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יום שלישי, 04.04.2023, 15:00
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טאוב 601
Public-key cryptography is the foundation for establishing secure communication between multiple parties. Traditional public-key algorithms such as RSA are based on the hardness of factoring large numbers or the discrete logarithm problem, but can be attacked in polynomial time once a capable quantum computer exists. Code-based public-key cryptosystems are considered to be post-quantum secure, but compared to RSA or elliptic curve cryptography their crucial drawback is the significantly larger k...
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חקירת אלגוריתמי פינוי מתקדמים בעבור מטמון תרגום הכתובות
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אלה שחורי
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יום שלישי, 04.04.2023, 14:30
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טאוב 301
The translation lookaside buffer (``TLB’’) is a small cache that accelerates virtual to physical address translation, which processors typically manage with variants of the least recently used (``LRU’’) algorithm. Although LRU is simple, it is suboptimal for some workloads. Our analysis shows that if the processor uses the optimal---but impractical---Belady algorithm instead of LRU, runtime improves by up to 15% (and 5% on average) over LRU in single-thread (``ST’’) mode. Runtime fur...
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מפגש "דמוקרטיה, הי-טק ודור העתיד"
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יום שני, 03.04.2023, 17:30
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אודיטוריום 1 בניין טאוב למדעי המחשב
הנכם מוזמנים למפגש עם בכירי ההי-טק על "דמוקרטיה, היי-טק ודור העתיד", ביום שני, 3 באפריל 2023, 17:30, בטאוב 1, בהשתתפות: מולי אדן ד"ר ארנה ברי אורי הדומי נדיר יזרעאל יורם יעקבי ד"ר יונתן יניב מאור פריד ד"ר קירה רדינסקי אבנר רוטשילד נא ...
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Pixel Club: Machine Learning and Data Assimilation in the Natural Sciences and Engineering
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Rebecca Willet (University of Chicago)
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יום שני, 03.04.2023, 11:30
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טאוב 012 (אודיטוריום, מרכז רב תכליתי)
The potential for machine learning to revolutionize scientific and engineering research is immense, but its transformative power cannot be fully harnessed through the use of off-the-shelf tools alone. To unlock this potential, novel methods are needed to integrate physical models and constraints into learning systems, accelerate simulations, and quantify model prediction uncertainty. In this presentation, we will explore the opportunities and emerging tools available to address these challenges ...
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קשרים בין למידת מכונה ותאוריה של מדעי המחשב
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גל יהודה
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יום שני, 03.04.2023, 10:00
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טאוב 601
We present connections between machine learning and theoretical computer science. In particular: hardness of data-set generation for deep learning problems and connections between randomness and computation in deep learning. ...
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סדנה מעשית מטעם CYE
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יום ראשון, 02.04.2023, 18:30
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טאוב 337
הנכם מוזמנים לסדנת טסטים מעשית מטעם חברת CYE בהנחיית טל סיחונוב, מנהל קבוצת פיתוח בחברת CYE אשר ידבר על חשיבות הטסטים בתעשייה ובעולם הפיתוח, בדגש על מערכות SaaS, ויתרגל טכניקות של כתיבת טסטים אפקטיבית בPython, ביום ראשון, 2 באפריל, 2023 בשעה 18:30 בטאוב 337 ההשתתפות בסדנה דורשת עמיד...
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האקתון מדעי המחשב CS Hackathon - Doing Good - 2023
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יום חמישי, 30.03.2023, 10:30
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בניין טאוב למדעי המחשב
הנכם מוזמנים להצטרף לתחרות התכנות-CS Hackathon- Doing Good בפקולטה למדעי המחשב, בשיתוף בי"ח לילדים ברמב"ם, שתתקיים בימים חמישי-שישי, 30-31 במרס, 2023, בבניין טאוב למדעי המחשב, ואשר תעסוק השנה בפיתוח פתרונות שיסייעו לשפר את איכות ח...
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Coding Theory: Binary Codes with Resilience Beyond 1/4 via Interaction
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קלים אפרנקו (אונ' בן-גוריון)
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יום רביעי, 29.03.2023, 16:30
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טאוב 601
In the reliable transmission problem, a sender, Alice, wishes to transmit a bit-string x to a remote receiver, Bob, over a binary channel with adversarial noise. The solution to this problem is to encode x using an error-correcting code. As it is long known that the distance of binary codes is at most 1/2, reliable transmission is possible only if the channel corrupts (flips) at most a 1/4-fraction of the communicated bits. We revisit the reliable transmission problem in the two-way setting, wh...
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תובלה מיטבית עמוקה: אלגוריתם מעשי לשחזור תמונה פוטוריאליסטי
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תיאו אדראי
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יום רביעי, 29.03.2023, 11:30
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הרצאת זום: theadthechnion
In image restoration, traditional supervised methods that seek to restore the source enjoy exceptional distortion performance but lack visual quality. With the emergence of powerful generative algorithms, many approaches focus on image realism and diversity, but forsake faithfulness to the source. Motivated by recent theoretical findings, we present a practical algorithm that optimizes source fidelity while aiming for photo-realistic results. Our method optimally transports the distribution of M...
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Pixel Club: Radiation Design in Computed Tomography via Convex Optimization
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מיכאל ציבולבסקי (מדעי המחשב, טכניון)
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יום שלישי, 28.03.2023, 11:30
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הרצאת זום: 184212013
Proper X-ray radiation design (via dynamic fluence field modulation, FFM) allows reducing effective radiation dose in computed tomography without compromising image quality. It takes into account patient anatomy, radiation sensitivity of different organs and tissues, and location of regions of interest. We account for all these factors within a general convex optimization framework. Joint work with Anatoli Juditsky and Arkadi Nemirovski Short bio: Michael Zibulevsky received his BS-MS in Ele...
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אירוע אמזון: תוכנית התמחות בקניות Alexa
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יום שני, 27.03.2023, 10:00
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קומה 2, בניין טאוב למדעי המחשב
מפגש היכרות עם תוכנית ההתמחות של Amazon Research, Alexa Shopping 2023 יתקיים ביום שני. 27 במרס, 10:00-11:30 בקומה 2, בניין טאוב למדעי המחשב, ויציג את אתגרי המחקר שלה ותוכנית ההתמחות במחקר לשנת 2023 לסטודנטים לתארים מתקדמים ב-CS/EE/IEM: תוכנית: 10:00-10:20 - היכרות עם תוכנית ההתמ...
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Pixel Club: Mental Model in Escape Room: a First-Person POV
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Jianbo Shi (University of Pennsylvania)
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יום חמישי, 23.03.2023, 13:30
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חדר 1063, בניין מאייר, הפקולטה להנדסת חשמל
In an Escape-room setting, we study different human behaviors when completing time-constrained tasks involving sequential decision-making and actions. We aim to construct a human mental model linking attention, episodic memory, and hand-object interaction. We record from two egocentric cameras: a head-mounted camera and Gaze-tracking glasses. We also record from up to four third-person cameras. Additionally, we created a detailed 3D map of the room. In this talk, I will discuss the progress we ...
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Theory Seminar: Linear-Size Distance Oracles and Interactive Graph Structures
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עידן שבת (אונ' בן-גוריון)
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יום רביעי, 22.03.2023, 12:30
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טאוב 201
Given an undirected weighted graph, a distance oracle is a data structure that answers distance queries in the graph within a short time. A path-reporting distance oracle (PRDO) is a distance oracle that is also required to return a shortest path between the queried vertices. A particular interest is in oracles that have a linear storage size in the number of vertices of the input graph, and also have small query time and a good approximation factor (called the stretch). Throughout the years, t...
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פרדוקס ברייס ברשתות משנה של מערכות תשלומים מבוססות בלוקציין
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ארד קוצר
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יום רביעי, 22.03.2023, 11:30
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הרצאת זום: 98170371363 וטאוב 401
Layer-2 is a popular approach to deal with the scalability limitation of blockchain networks. It allows users to execute transactions without committing them to the blockchain by relying on predefined payment channels. Users together with the payment channels form a graph known as the offchain network topology. Transactions between pairs of users without a connecting channel are also supported through a path of multiple channels. Serving such transactions involves fees paid to intermediate users...
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למידה עמוקה בייס-אדאפטיבית לחיזוקים על-בסיס ניגודים
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עירא חשן
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יום חמישי, 16.03.2023, 11:00
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טאוב 601
In meta reinforcement learning (meta RL), an agent seeks a Bayes-optimal policy – the optimal policy when facing an unknown task that is sampled from some known task distribution. Previous approaches tackled this problem by inferring a belief over task parameters, using variational inference methods. Motivated by recent successes of contrastive learning approaches in RL, such as contrastive predictive coding (CPC), we investigate whether contrastive methods can be used for learning Bayes-optim...
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אלגוריתמים יעילים וחסינים לנפילות עבור מודלי תקשורת מעורבים ואופטימיזציה מבוזרת
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נועה שילר
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יום חמישי, 16.03.2023, 10:30
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טאוב 301
We study a hybrid distributed model, which combines message-passing and shared-memory communication layers, and investigate the minimal number of failures that can partition such systems. We prove that this number precisely captures the resilience that can be achieved by algorithms that implement a variety of shared objects and solve common tasks, like approximate agreement. In the cluster-based model, processes are partitioned into disjoint clusters. We solve the approximate agreement problem...
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גישה מבוססת צביעה להרצה מקבילית של עסקאות וחוזים חכמים במערכות שכפול אקטיבי ומערכות בלוקצ'יין
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ירון חי
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יום רביעי, 15.03.2023, 11:30
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טאוב 301
Blockchain Networks, especially those with Smart Contracts, are well-known examples of Active Replication Systems. Active Replication Services are available thanks to a group of servers called replicas that handle client requests. Each server maintains a local copy of the global state of the service, and all servers update their local copy at synchronized incremental steps. At the i-th step, all servers receive the *same* transaction from a global ordering service, execute it and apply the resul...
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שירותים מבוזרים תחת מתקפה
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שיר כהן
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יום רביעי, 15.03.2023, 11:30
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טאוב 601
For my PhD thesis seminar, I will be presenting two of my works related to the security and reliability of distributed services in the face of Byzantine attacks. In the first work “Not a COINcidence: Sub-Quadratic Asynchronous Byzantine Agreement WHP” (DISC’20), I present a solution for binary Byzantine Agreement (BA) in asynchronous systems, using a shared coin algorithm based on a VRF and VRF-based committee sampling. My algorithms work against a delayed-adaptive adversary with a word co...
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CGGC Seminar: Intro to Morse Theory, Morse-Smale Complexes, and Discrete Morse Theory
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Rephael wenger (The ohio State University)
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יום חמישי, 16.02.2023, 11:30
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טאוב 401
Rephael Wenger is a professor in the computer science and engineering department of The Ohio State university where he works on geometric modeling, mesh generation, geometric algorithms and scientific visualization....
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Theory seminar: Algorithms Should Have Bullshit Detectors! (or Polynomial Time Byzantine Agreement with Optimal Resilience)
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Seth pettie (University of Michigan)
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יום רביעי, 15.02.2023, 12:30
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טאוב 201
One thing that distinguishes (theoretical) computer science from other scientific disciplines is its full-throated support of a fundamentally adversarial view of the universe. Malicious adversaries, with unbounded computational advantages, attempt to foil our algorithms at every turn and destroy their quantitative guarantees. However, there is one strange exception to this world view and it is this: the algorithm must accept its input as sacrosanct, and may never simply reject its input as illeg...
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גישה חישובית לאיתור מבני חלבונים המפרים את הדוגמה המרכזית של הביולוגיה
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אביב א. רוזנברג
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יום ראשון, 12.02.2023, 12:30
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Zoom Lecture: 97521197354 וטאוב 601
Proteins fold from a sequence of amino acids, forming secondary structures which subsequently fold into a three-dimensional structure that enables their function. The amino acid sequence is defined in the genetic sequence as codons, many of which are synonymous, i.e., they code for the same amino acid. The "one sequence, one structure" dogma, established over half a century ago, remains the commonly accepted notion, and implies that synonymous coding is inconsequential to protein structure. Thi...
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פולימורפיזמים מוכללים
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גלעד צ'ייס
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יום ראשון, 12.02.2023, 11:30
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הרצאת זום: 92374147324 וטאוב 301
We determine all $m$-ary Boolean functions $f_0,\ldots,f_m$ and $n$-ary Boolean functions $g_0,\ldots,g_n$ satisfying the equation $f_0(g_1(z_{11},\ldots,z_{1m}),\ldots,g_n(z_{n1},\ldots,z_{nm})) = g_0(f_1(z_{11},\ldots,z_{n1}),\ldots,f_m(z_{1m},\ldots,z_{nm})),$ for all Boolean inputs $\{ z_{ij} : i \in [n], j \in [m] \}$. This extends characterizations by Dokow and Holzman[DH09] (who considered the case $g_0 = \cdots = g_n$) and by Chase, Filmus, Minzer, Mossel and Saurabh [CFMMS22] (who consi...
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התאוששות עצלה מריצה כושלת בעזרת זיכרון עמיד
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אלמוג צור
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יום רביעי, 08.02.2023, 15:30
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טאוב 601
Recent non-volatile main memory technology (such as Intel’s Optane) gave rise to an abundance of research on building persistent data structures, whose content can be recovered after a system crash. While there has been significant progress in making durable data structures efficient, shortening the length of the recovery phase after a crash (in which data cannot be accessed) has not received much attention. In fact, programmers need to choose exclusively between durable data structures that p...
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CS Lecture: Reexamining Basic OS Memory Management Techniques
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נדב עמית (VMware Research)
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יום שלישי, 07.02.2023, 10:30
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טאוב 601
Despite significant advancements in operating system memory management, our understanding of the desired behavior of fundamental techniques introduced decades ago is sometimes incomplete or not well-defined. This can result in correctness issues that might cause the system to crash or be compromised, as well as missed opportunities for optimizations. In this talk, I will present two specific examples of this: (1) the inefficiencies in synchronizing the memory view across different CPU cores, and...
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EuroTech: Using Concurrent Objects in Randomized Programs
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Hagit Attiya (CS, Technion) and Constantin Enea (École Polytechnique/CNRS)
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יום חמישי, 02.02.2023, 15:00
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הרצאת זום: הרשמה
Atomic concurrent objects, whose operations take place instantaneously, are a powerful technique for designing complex concurrent programs. Since they are not always available, they are typically substituted with software implementations. A prominent condition relating these implementations to their atomic specifications is linearizability, which preserves safety properties of programs using them. However linearizability does not preserve hyper-properties, which include probabilistic guarantees ...
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מערכות בלוקצ'יין עם שיהוי נמוך על ידי הולגרפייה בגרפים מכוונים ללא מעגלים
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מתן יחיאלי
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יום רביעי, 01.02.2023, 11:30
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הרצאת זום: 93583582399 וטאוב 401
Classical Proof-of-Work blockchains like Bitcoin implement a decentralized ledger, where anyone can participate. They aggregate transactions from system users in blocks and decide each block's position in the ledger. They require the block at each position to accrue votes until the probability of a decision change, due to chance or malice, is negligible. To allow consumer usage of such systems, low latency in the order of seconds is necessary. In classical blockchain systems latency is in the or...
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CS Lecture: Computational Imaging for Scientific Discovery: From Cloud Physics to Black Holes Dynamics
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Aviad Levis (Computing and Mathematics at Caltech)
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יום רביעי, 01.02.2023, 10:30
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טאוב 601
Imaging plays a key role in advancing science, from revealing the internal structure of clouds to providing the first visual evidence of a black hole. While both examples come from different imaging systems, they illustrate what can be achieved with modern computational approaches. Computational imaging combines concepts from physics, machine learning, and signal processing to reveal hidden structures at the smallest and largest of scales. In this talk, I will highlight how peeling away layers o...
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אימות ללא קריפטוגרפיה ברשת הפנימית של הרכב בהתבסס על מיקום הרכיבים
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אלי גבריל
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יום שני, 30.01.2023, 14:30
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הרצאת זום: 8355062003
Vehicles possess an extraordinary amount of technological features that are meant to improve the safety and comfort of the driving experience. Those features have become so advanced that many of the driving aspects are now almost completely automated. Most drivers in the world now rely on the computer systems of the vehicle itself in order to perform even the most basic tasks, such as steering and parking. The CAN bus is the main network used for communication between the various systems of t...
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פיתוח טכניקות חדשניות של ראיה ממוחשבת ולמידה עמוקה בתחום הפתולוגיה הדיגיטלית
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אריאל לארי
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יום חמישי, 26.01.2023, 11:00
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הרצאת זום: 98200430832 והפקולטה לרפואה, חדר סמינרים, קומה 4
The diagnosis and treatment planning of many diseases, such as cancer and auto-immune conditions, rely on histological slides. In recent years, digital pathology has become more abundant allowing high-thruput digitization of pathology images and the use of AI to analyze and interpret them. Yet, there are still inherent challenges in harnessing AI for pathology that includes coping with features in multiple size scales, the ability to achieve interpretability of the AI results, and biased dataset...
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CS Guest Lecture: Software Development in the Sixth Epoch of Distributed Computing
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Tim Mattson (Senior principal engineer, Intel)
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יום חמישי, 26.01.2023, 10:30
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Zoom Lecture: 94604196201
Amin Vahdat, in a talk that has gone viral, described the five epochs of distributed computing (https://www.youtube.com/watch?v=Am_itCzkaE0). It’s a great talk, but I disagree with him on one key point. He thinks we are early in the fifth Epoch. I say we entered the fifth Epoch several years ago and we are on the verge of the next Epoch … the sixth Epoch of distributed computing. In this talk I will very briefly outline the five Epochs of distributed computing and then shift to the fut...
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Theory Seminar: Hitting Minors, Planarization, and Kernelization
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Michal Wlodarczyk (Ben-Gurion University)
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יום רביעי, 25.01.2023, 12:30
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טאוב 201
The concept of a graph minor is fundamental in topological graph theory. First, I will describe the cornerstones of this theory from the lens of parameterized complexity. Next, I will survey more recent results concerning minor-hitting problems, focusing on three algorithmic paradigms: approximation, kernelization, and parameterized algorithms. Here, an important special case is the Vertex Planarization problem (remove as few vertices as possible to make a given graph planar) – this problem is...
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יריד פרוייקטים ב-IoT, אנדרואיד, ארדואינו ורשתות
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יום שלישי, 24.01.2023, 12:30
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קומת הכניסה, בניין טאוב למדעי המחשב
הנכם מוזמנים ליריד הפרוייקטים של הפקולטה למדעי המחשב ע"ש טאוב לסמסטר חורף תשפ"ג, אשר ובו יציגו וידגימו 30 צוותים של סטודנטים לתואר ראשון פרוייקטים בתחומים שונים במערכות IoT, אנדרואיד ארדואינו ורשתות, שפותחו במסגרת פרוייקט הגמר במסלול להנדסת תוכנה וברשתות תקשורת, רובם ...
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CS Lecture: Building the Foundations of Explainable and Interpretable Machine Learning
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מיכל מושקוביץ (Bosch Center ואונ' תל-אביב)
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יום ראשון, 22.01.2023, 10:30
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טאוב 601
Machine learning (ML) is integrated into our society, it is present in the judicial, health, transportation, and financial systems. As the integration increases, the necessity of ML transparency increases. The fields of explainable and interpretable ML attempt to add transparency to ML: either by adding explanations to a given black-box ML model or by building a model which is interpretable and self-explanatory. Despite the importance of explainability and interpretability, their foundations...
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CS Guest Lecture: Open Software for the Parallel, Heterogeneous Future
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Guy Tamir (Technology Evangelist, Intel)
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יום חמישי, 19.01.2023, 10:30
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Zoom Lecture: 97146417324
The race for performance and the variety of specialized workloads drives the industry to build more parallel, heterogenous, and distributed computing systems. These systems introduce multiple programming challenges. This talk will overview the driving forces, world trends, challenges, and emerging solutions. Specifically, we will overview the oneAPI Initiative and its components and benefits. We will demonstrate SYCL's new programming paradigm and more. Biography: Guy Tamir is a technology evan...
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Theory Seminar: Verifying The unseen: Interactive proofs for Label-Invariant distribution Properties
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טל הרמן (מכון ויצמן למדע)
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יום רביעי, 18.01.2023, 12:30
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טאוב 201
Given i.i.d. samples from an unknown distribution over a large domain [N], approximating several basic quantities, including the distribution’s support size, its entropy, and its distance from the uniform distribution, requires (NlogN) samples [Valiant and Valiant, STOC 2011]. Suppose, however, that we can interact with a powerful but untrusted prover, who knows the entire distribution (or a good approximation of it). Can we use such a prover to approximate (or rather, to approximately {\em...
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יום זרקור של חברת מובילאיי
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יום רביעי, 18.01.2023, 12:30
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קומת הכניסה, בניין טאוב למדעי המחשב
נציגי מובילאיי יגיעו לפקולטה ויציגו את פיתוח התוכנה והאלגוריתמיקה של הרכב האוטונומי של מובילאיי, את אפשרויות התעסוקה ואת החיים בחברה, ביום רביעי, 18 בינואר, 2023, 12:30 בלובי טאוב....
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Pixel Club: Computational Imaging for Enabling Vision Beyond Human Perception
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Mark Sheinin (Carnegie Mellon)
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יום שלישי, 17.01.2023, 11:30
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חדר 1003, בניין מאייר, הפקולטה להנדסת חשמל
From minute surface vibrations to very fast-occurring events, the world is rich with phenomena humans cannot perceive. Likewise, most computer vision systems are primarily based on 'conventional' cameras, which were designed to mimic the imaging principle of the human eye, and therefore are equally blind to these ubiquitous phenomena. In this talk, I will show that we can capture these hidden phenomena by creatively building novel vision systems composed of common off-the-shelf components (i.e.,...
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סיבוכיות חישובית תחת אילוצי תקשורת
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אבי קפלן
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יום ראשון, 15.01.2023, 15:00
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הרצאת זום: 95627681547 וטאוב 301
Can preprocessing help reduce computational costs? We study this question in the context of communication complexity, focusing on a simple "simultaneous messages" setting in which computationally unbounded Alice and Bob each send a single message to a computationally bounded Carol. A big part of our work concentrates on the task of computing the inner product function modulo 2 by a polynomial-sized bounded-depth Boolean circuit. Without preprocessing this task was shown to be impossible, and ...
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מודלים חדשים וחסמים משופרים לאופטימיזציה מקוונת
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דוד נאורי
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יום ראשון, 15.01.2023, 15:00
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הרצאת זום: 91014628593 וטאוב 401.
We extend the standard online worst-case model to accommodate past experience which is available to the online player in many practical scenarios. We do this by revealing a random sample of the adversarial input to the online player ahead of time. The online player competes with the expected optimal value on the part of the input that arrives online. Our model bridges between existing online stochastic models (e.g., items are drawn i.i.d. from a distribution) and the online worst-case model. ...
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Coding Theory: The Generalized Covering Radius of Codes
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דור אלימלך (אונ' בן-גוריון)
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יום ראשון, 15.01.2023, 14:30
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טאוב 601
The generalized covering radius (GCR) was recently introduced as a fundamental property of linear codes, shown to characterize a trade-off between storage amount, access complexity, and latency in linear data querying protocols (such as many PIR protocols). In the general case (where the codes are not necessarily linear), the GCR is used in order to formulate a higher-order version of the famous combinatorial football-pool problem. During this talk, we shall discuss the equivalent definitions an...
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בנאים מבוססי נקודת גרעין עבור גיאומטריה בוליאנית ומסורגלת
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היתם פדילה
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יום ראשון, 15.01.2023, 13:30
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הרצאת זום: 95299541427 וטאוב 301
Boolean sum and ruling are two well-known construction operators for both parametric surfaces and trivariates. In many cases, the input freeform curves in R^2 or surfaces in R^3 are complex, and as a result, these construction operators might fail to build the parametric geometry so that it has positive Jacobian throughout the domain. In this work, we focus on cases in which those constructors fail to build parametric geometries with a positive Jacobian throughout while the freeform input ...
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Theory Seminar: A Graph Theoretic Approach for Resilient Distributed Algorithms
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מרב פרטר ( מכון ויצמן למדע)
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יום חמישי, 12.01.2023, 12:30
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טאוב 201
Following the immense recent advances in distributed networks, the explosive growth of the Internet, and our increased dependency on these infrastructures, guaranteeing the uninterrupted operation of communication networks has become a major objective in network algorithms. The modern instantiations of distributed networks, such as the Bitcoin network and cloud computing, introduce new security challenges that deserve urgent attention in both theory and practice. In this talk, I will present ...
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CS Guest Lecture: Automatic Parallelization for Concurrent Programming – Past, Present, and Future
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ראם הראל (Head of Algorithms, NRCN)
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יום חמישי, 12.01.2023, 10:30
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Zoom Lecture: 95409713968
Introducing parallelism to applications is a complex and tedious task. As a result, the field named automatic parallelization emerged. Automatic parallelization refers to the seamless introduction of parallel schemes (such as OpenMP directives) to code. In other words, creating a tool that will mimic the human comprehension process to insert parallelization schemes. In the recent past, the main focus of this field was on creating deterministic tools such as specific functionality embedded in com...
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Coding Theory: Capacity of Private Information Retrieval from Coded and Colluding Servers
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Prof. Camilla Hollanti (Aalto University, Finland)
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יום רביעי, 11.01.2023, 16:30
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הרצאת זום: 98686325633
Private information retrieval (PIR) addresses the question of how to retrieve data items from a database or cloud without disclosing information about the identity of the data items retrieved. The area has received renewed attention in the context of PIR from coded storage. Here, the files are distributed over the servers according to a storage code instead of mere replication. Alongside with the basic principles of PIR, we will review recent capacity results and demonstrate the usefulness of th...
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Theory Seminar: Efficient approximation for budgeted matroid independent set, budgeted matching, and budgeted matroid intersection
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אילן דורון-ארד (המחשב, טכניון)
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יום רביעי, 11.01.2023, 12:30
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טאוב 201
Abstract: We consider the budgeted matroid independent set problem. The input is a ground set, where each element has a cost and a non-negative profit, along with a matroid over the elements and a budget. The goal is to select a subset of elements which maximizes the total profit subject to the matroid and budget constraints. Several well known special cases, where we have, e.g., a uniform matroid and a budget, or no matroid constraint (i.e., the classic knapsack problem), admit a fully polynomi...
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סדנת Open Source
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יום שלישי, 10.01.2023, 18:30
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טאוב 337
הנכם מוזמנים לסדנת Open Source על קוד פתוח ואיך תרומה לקוד פתוח עוזרת להתפתחות מקצועית ולצבירת ניסיון בכל שלב בקריירה, בהרצאה מפי מיכל פורג, מפתחת front end בחברת Gong ומנהלת את קהילת הקוד הפתוח הגדולה בישראל, Pull Request, ביום שלישי, 10 בינואר, 2023, בשעה 18:30 בטאוב 337. ...
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CS Colloquia: Fear Not, Vote Truthfully: Secure E-Voting Protocols for Score-and Order-Based Rules
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תמיר טסה (האונ' הפתוחה)
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יום שלישי, 10.01.2023, 14:30
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טאוב 337
Electronic voting systems are essential for holding virtual elections, and the need for such systems increases due to the COVID-19 pandemic and the social distancing that it mandates. One of the main challenges in e-voting systems is to secure the voting process: namely, to certify that the computed results are consistent with the cast ballots, and that the privacy of the voters is preserved. We propose secure voting protocols for elections that are governed by two central families of voting rul...
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יום זרקור של חברת VAYYAR
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יום שלישי, 10.01.2023, 12:30
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קומת הכניסה, בניין טאוב למדעי המחשב
נציגי חברת VAYYAR יגיעו לפקולטה להציג מוצרים ופיתוחים ולהציע משרות פתוחות, ביום רביעי, 11 בינואר, 2023, 12:30, לובי טאוב....
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Pixel Club: Neural Volume Super-Resolution
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יניב בהט (פרינסטון ואונ' סייגון)
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יום שלישי, 10.01.2023, 11:30
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טאוב 337
Neural volumetric representations have become a widely adopted model for radiance fields in 3D scenes. These representations are fully implicit or hybrid function approximators of the instantaneous volumetric radiance in a scene, which are typically learned from multi-view captures of the scene. We investigate the new task of neural volume super-resolution - rendering high-resolution views corresponding to a scene captured at low resolution. To this end, we propose a neural super-resolution netw...
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CS Lecture: Fast Algorithms for Complex Environments
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עומרי בן-אליעזר (MIT)
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יום שלישי, 10.01.2023, 10:30
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טאוב 601
Our modern life is marked by continuous interaction with huge and complex computational environments, a setting which gives rise to numerous theoretical and algorithmic challenges. Algorithms nowadays are often required to optimize objectives that may be theoretically ill-defined, on big data that is complex-structured, while maintaining computational efficiency and provable guarantees such as privacy and robustness. In this talk I will discuss some of my work developing new computational models...
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אופטימיזציה תת מודולרית
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עמית גנץ
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יום חמישי, 05.01.2023, 14:30
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הרצאת זום: 94984580239
We consider the online Submodular Welfare problem. In this problem we are given n bidders each equipped with a submodular utility and m items that arrive online. The goal is to assign each item, once it arrives, to a bidder or discard it, while maximizing the sum of utilities. The case of monotone utilities has attracted much attention, however much less is known once utilities are general and not necessarily monotone. When an adversary determines the items' arrival order, we presen...
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יום זרקור וסדנה של חברת אינטל
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יום רביעי, 04.01.2023, 12:30
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קומת הכניסה, בניין טאוב למדעי המחשב
חברת אינטל תקיים יום זרקור ותציג אפשרויות תעסוקה, וכן סדנת "פיוזן 360" של מידול, הדפסה וחוויית מייקרס בתלת-ממד, ביום רביעי, 4 בינואר החל מהשעה 12:30, 2023, בלובי טאוב. לסדנה נא להירשם מראש (מספר המקומות ...
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Theory Seminar: Mutual Empowerment between Circuit Obfuscation and Circuit Minimization
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איליה וולקוביץ (Boston College)
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יום רביעי, 04.01.2023, 12:30
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טאוב 201
We study close connections between Indistinguishability Obfuscation (IO) and the Minimum Circuit Size Problem (MCSP), and argue that algorithms for one of MCSP or IO would empower the other one. Some of our main results are: If there exists a perfect (imperfect) IO that is computationally-secure against non-uniform polynomial-size circuits, then we obtain fixed-polynomial lower bounds against NP(MA). In addition, computationally-secure IO against non-uniform polynomial-size circuits imply ...
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CS Lecture: Theoretical and practical principles for designing, training, and deploying huge language models
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יואב לוין (AI21 Labs)
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יום רביעי, 04.01.2023, 10:30
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טאוב 601
The field of natural language processing (NLP) has been advancing in giant strides over the past several years. The main drivers of this success are: (1) scaling the Transformer deep network architecture to unprecedented sizes and (2) “pretraining” the Transformer over massive amounts of unlabeled text. In this talk, I will describe efforts to provide principled guidance for the above main components and further thrusts in contemporary NLP, aimed to serve as timely constructive feedback for ...
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CS Colloquia: Adventures in Computational MRI
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מיכאל לוסטיג (UC Berkeley)
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יום שלישי, 03.01.2023, 14:30
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טאוב 337
Magnetic resonance imaging (MRI) is a powerful, ionizing-radiation-free medical imaging modality. The vast physical and physiological parameters, which MRI is sensitive to, makes it possible to visualize both structure and function in the body. However the prolonged time necessary to capture the information in this large parameter space remains a major limitation of this phenomenal modality, which the field of computational MRI aims to address. By computational MRI we refer to the joint optimiza...
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CS Lecture: Data Tools for Accelerated Scientific Discoveries
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ברית יונגמן (CSAIL MIT)
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יום שלישי, 03.01.2023, 11:00
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Taub 601
Causal inference is fundamental to empirical research in natural and social sciences and is essential for scientific discoveries. Two key challenges for conducting causal inference are (i) acquiring all attributes required for the analysis, and (ii) identifying which attributes should be included in the analysis. Failing to include all necessary attributes may lead to false discoveries and erroneous conclusions. However, in real-world settings, analysts may only have access to partial data. Furt...
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Yahoo Research במדעי המחשב
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יום שלישי, 03.01.2023, 10:30
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מועדון משתלמים, קומה 2 בבניין טאוב למדעי המשב
חברת Yahoo Research מגיעה לפקולטה למפגש ייעודי עם סטודנטים לתארים מתקדמים יום שלישי, 3 בינואר, 2023 החל מהשעה 10:30 במועדון המשתלמים, קומה 2 (בסוף המסדרון), בניין טאוב למדעי המחשב: תוכנית: 10:30 - התכנסות 11:00 - אינטרו - מרכז המחקר של יאהו ישראל 11:15 - הרצאה 1: Leveraging User Email Actions to Improve Ad-Clo...
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יום זרקור של חברת מיקרוסופט
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יום שני, 02.01.2023, 17:30
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טאוב 9
הנכם מוזמנים ליום זרקור של חברת מיקרוסופט, למפגש שאלות ותשובות עם צוות הגיוס על תהליך הגיוס בחברה, ולהרצאה מפי נועה ברמן, מפתחת תוכנה ב-Microsoft Security, בנושא: Ransomware attacks and how we defend against them at Microsoft Defender for Endpoint, ביום שני, 2 בינואר, 17:30, בטאוב 9. נא...
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