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  1. Article

    Open Access

    Iteration-Free quantum approximate optimization algorithm using neural networks

    The quantum approximate optimization algorithm (QAOA) is a leading iterative variational quantum algorithm for heuristically solving combinatorial optimization problems. A large portion of the computational ef...

    Ohad Amosy, Tamuz Danzig, Ohad Lev, Ely Porat, Gal Chechik in Quantum Machine Intelligence (2024)

  2. No Access

    Chapter and Conference Paper

    Support Optimality and Adaptive Cuckoo Filters

    Filters (such as Bloom Filters) are a fundamental data structure that speed up network routing and measurement operations by storing a compressed representation of a set. Filters are very space efficient, but ...

    Tsvi Kopelowitz, Samuel McCauley, Ely Porat in Algorithms and Data Structures (2021)

  3. No Access

    Article

    Mind the Gap!

    We examine the complexity of the online Dictionary Matching with One Gap Problem (DMOG) which is the following. Preprocess a dictionary D of d patterns, where each pattern contains a special gap symbol that can m...

    Amihood Amir, Tsvi Kopelowitz, Avivit Levy, Seth Pettie, Ely Porat in Algorithmica (2019)

  4. No Access

    Article

    Streaming Pattern Matching with d Wildcards

    In the pattern matching with d wildcards problem one is given a text T of length n and a pattern P of length m that contains d wildcard characters, each denoted by a special symbol ‘?’. A wildcard character match...

    Shay Golan, Tsvi Kopelowitz, Ely Porat in Algorithmica (2019)

  5. No Access

    Chapter and Conference Paper

    Dynamic Dictionary Matching in the Online Model

    In the classic dictionary matching problem, the input is a dictiona...

    Shay Golan, Tomasz Kociumaka, Tsvi Kopelowitz, Ely Porat in Algorithms and Data Structures (2019)

  6. Article

    Erratum to: A Grou** Approach for Succinct Dynamic Dictionary Matching

    Guy Feigenblat, Ely Porat, Ariel Shiftan in Algorithmica (2017)

  7. No Access

    Chapter and Conference Paper

    Conditional Lower Bounds for Space/Time Tradeoffs

    In recent years much effort has been concentrated towards achieving polynomial time lower bounds on algorithms for solving various well-known problems. A useful technique for showing such lower bounds is to pr...

    Isaac Goldstein, Tsvi Kopelowitz, Moshe Lewenstein in Algorithms and Data Structures (2017)

  8. No Access

    Article

    A Grou** Approach for Succinct Dynamic Dictionary Matching

    In this work, we focus on building an efficient succinct dynamic dictionary that significantly improves the query time of the current best known results. The algorithm that we propose suffers from only a ...

    Guy Feigenblat, Ely Porat, Ariel Shiftan in Algorithmica (2017)

  9. No Access

    Book and Conference Proceedings

    Combinatorial Pattern Matching

    26th Annual Symposium, CPM 2015, Ischia Island, Italy, June 29 -- July 1, 2015, Proceedings

    Ferdinando Cicalese, Ely Porat, Ugo Vaccaro in Lecture Notes in Computer Science (2015)

  10. No Access

    Chapter and Conference Paper

    Dictionary Matching in a Stream

    We consider the problem of dictionary matching in a stream. Given a set of strings, known as a dictionary, and a stream of characters arriving one at a time, the task is to report each time some string in our ...

    Raphaël Clifford, Allyx Fontaine, Ely Porat, Benjamin Sach in Algorithms - ESA 2015 (2015)

  11. No Access

    Chapter and Conference Paper

    Dynamic Set Intersection

    Consider the problem of maintaining a family F of dynamic sets subject to insertions, deletions, and set-intersection reporting queries: given ...

    Tsvi Kopelowitz, Seth Pettie, Ely Porat in Algorithms and Data Structures (2015)

  12. No Access

    Chapter and Conference Paper

    Dictionary Matching with One Gap

    The dictionary matching with gaps problem is to preprocess a dictionary D of d gapped patterns P 1,…,P d over alphabet Σ, where each gapped pattern P ...

    Amihood Amir, Avivit Levy, Ely Porat, B. Riva Shalom in Combinatorial Pattern Matching (2014)

  13. No Access

    Chapter and Conference Paper

    An Improved Query Time for Succinct Dynamic Dictionary Matching

    In this work, we focus on building an efficient succinct dynamic dictionary that significantly improves the query time of the current best known results. The algorithm that we propose suffers from only a O((loglo...

    Guy Feigenblat, Ely Porat, Ariel Shiftan in Combinatorial Pattern Matching (2014)

  14. No Access

    Chapter and Conference Paper

    Orienting Fully Dynamic Graphs with Worst-Case Time Bounds

    In edge orientations, the goal is usually to orient (direct) the edges of an undirected network (modeled by a graph) such that all out-degrees are bounded. When the network is fully dynamic, i.e., admits edge ...

    Tsvi Kopelowitz, Robert Krauthgamer, Ely Porat in Automata, Languages, and Programming (2014)

  15. No Access

    Chapter and Conference Paper

    For-All Sparse Recovery in Near-Optimal Time

    An approximate sparse recovery system in ℓ1 norm consists of parameters k, ε, N, an m-by-N measurement Φ, and a recovery algorithm, $\...

    Anna C. Gilbert, Yi Li, Ely Porat in Automata, Languages, and Programming (2014)

  16. No Access

    Article

    Preprocess, Set, Query!

    Thorup and Zwick (J. ACM 52(1):1–24, 2005 and STOC’01) in their seminal work introduced the notion of distance oracles. Given an n-vertex weighted undirected graph with m edges, they show that for any integer ...

    Ely Porat, Liam Roditty in Algorithmica (2013)

  17. Article

    Guest Editorial for “Group Testing: models and applications”

    Ferdinando Cicalese, Ely Porat in Algorithmica (2013)

  18. No Access

    Book and Conference Proceedings

    String Processing and Information Retrieval

    20th International Symposium, SPIRE 2013, Jerusalem, Israel, October 7-9, 2013, Proceedings

    Oren Kurland, Moshe Lewenstein in Lecture Notes in Computer Science (2013)

  19. Chapter and Conference Paper

    Erratum to: String Processing and Information Retrieval

    Erratum to: O. Kurland, M. Lewenstein, and E. Porat (Eds.) String Processing and Information Retrieval DOI: 10.1007/978-3-319-02432-5

    Oren Kurland, Moshe Lewenstein, Ely Porat in String Processing and Information Retrieval (2013)

  20. No Access

    Chapter and Conference Paper

    2/ℓ2-Foreach Sparse Recovery with Low Risk

    In this paper, we consider the “foreach” sparse recovery problem with failure probability p. The goal of the problem is to design a distribution over m ×N matrices Φ and a decoding algorithm A such that for every...

    Anna C. Gilbert, Hung Q. Ngo, Ely Porat, Atri Rudra in Automata, Languages, and Programming (2013)

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