New

  • The Cross-Lingual Cost: Retrieval Biases in RAG over Arabic-English Corpora
    Chen Amiraz, Yaroslav Fyodorov, Elad Haramaty, Zohar Karnin, and Liane Lewin-Eytan
    Under review, 2025
    Paper

Publications

  • The Distracting Effect: Understanding Irrelevant Passages in RAG
    Chen Amiraz, Florin Cuconasu, Simone Filice, and Zohar Karnin
    ACL 2025 (oral presentation)
    Paper Video Slides Poster

  • Recovery Guarantees for Distributed-OMP
    Chen Amiraz, Robert Krauthgamer, and Boaz Nadler
    AISTATS 2024
    Paper

  • Distributed Sparse Normal Means Estimation with Sublinear Communication
    Chen Amiraz, Robert Krauthgamer, and Boaz Nadler
    Information and Inference: A Journal of the IMA, 2022
    Paper Video

  • Tight Recovery Guarantees for Orthogonal Matching Pursuit Under Gaussian Noise
    Chen Amiraz, Robert Krauthgamer, and Boaz Nadler
    Information and Inference: A Journal of the IMA, 2020
    Paper

  • Partitioning Continuous Segmented Signals
    Alon Amar, Sarit Ben-Sultan, and Chen Attias
    Electronic Letters, 2014
    Paper

  • Channel Estimation in UWB Channels Using Compressed Sensing
    Kfir M. Cohen, Chen Attias, Barak Farbman, Igor Tselniker, and Yonina C. Eldar
    ICASSP 2014
    Paper


Manuscripts

  • Stochastic Selection Problems with Testing
    Chen Attias, Robert Krauthgamer, Retsef Levi, and Yaron Shaposhnik
    Presented at INFORMS 2015
    Paper


Theses

  • Sparse Estimation under Noise: Algorithms and Guarantees
    Chen Amiraz
    PhD Thesis, Weizmann Institute of Science, 2024
    Thesis

  • Combinatorial Optimization Problems with Testing
    Chen Attias
    MSc Thesis, Weizmann Institute of Science, 2016
    Thesis