Orgad Keller

According to our database, Orgad Keller authored at least 19 papers between 2007 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2024

Are LLMs Better than Reported? Detecting Label Errors and Mitigating Their Effect on Model Performance.

Omer Nahum, Nitay Calderon, Orgad Keller, Idan Szpektor, Roi Reichart

CoRR, 2024

Multi-turn Reinforcement Learning from Preference Human Feedback.

Lior Shani, Aviv Rosenberg, Asaf B. Cassel, Oran Lang, Daniele Calandriello, Avital Zipori, Hila Noga, Orgad Keller, Bilal Piot, Idan Szpektor, Avinatan Hassidim, Yossi Matias, Rémi Munos

CoRR, 2024

2023

On the Robustness of Dialogue History Representation in Conversational Question Answering: A Comprehensive Study and a New Prompt-based Method.

Zorik Gekhman, Nadav Oved, Orgad Keller, Idan Szpektor, Roi Reichart

Trans. Assoc. Comput. Linguistics, 2023

Factually Consistent Summarization via Reinforcement Learning with Textual Entailment Feedback.

Paul Roit, Johan Ferret, Lior Shani, Roee Aharoni, Geoffrey Cideron, Robert Dadashi, Matthieu Geist, Sertan Girgin, Léonard Hussenot, Orgad Keller, Nikola Momchev, Sabela Ramos Garea, Piotr Stanczyk, Nino Vieillard, Olivier Bachem, Gal Elidan, Avinatan Hassidim, Olivier Pietquin, Idan Szpektor

Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), 2023

2022

Dynamic Planning in Open-Ended Dialogue using Reinforcement Learning.

Deborah Cohen, Moonkyung Ryu, Yinlam Chow, Orgad Keller, Ido Greenberg, Avinatan Hassidim, Michael Fink, Yossi Matias, Idan Szpektor, Craig Boutilier, Gal Elidan

CoRR, 2022

2021

Targeted Negative Campaigning: Complexity and Approximations.

Avishai Zagoury, Orgad Keller, Avinatan Hassidim, Noam Hazon

Proceedings of the Thirty-Fifth AAAI Conference on Artificial Intelligence, 2021

2020

Dynamic Composition for Conversational Domain Exploration.

Idan Szpektor, Deborah Cohen, Gal Elidan, Michael Fink, Avinatan Hassidim, Orgad Keller, Sayali Kulkarni, Eran Ofek, Sagie Pudinsky, Asaf Revach, Shimi Salant, Yossi Matias

Proceedings of the WWW '20: The Web Conference 2020, Taipei, Taiwan, April 20-24, 2020, 2020

Semantically Driven Sentence Fusion: Modeling and Evaluation.

Eyal Ben-David, Orgad Keller, Eric Malmi, Idan Szpektor, Roi Reichart

Proceedings of the Findings of the Association for Computational Linguistics: EMNLP 2020, 2020

2019

Approximating Weighted and Priced Bribery in Scoring Rules.

Orgad Keller, Avinatan Hassidim, Noam Hazon

J. Artif. Intell. Res., 2019

New Approximations for Coalitional Manipulation in Scoring Rules.

Orgad Keller, Avinatan Hassidim, Noam Hazon

J. Artif. Intell. Res., 2019

2018

Fully Automatic Speaker Separation System, with Automatic Enrolling of Recurrent Speakers.

Raphael Cohen, Orgad Keller, Jason Levy, Russell Levy, Micha Breakstone, Amit Ashkenazi

Proceedings of the 19th Annual Conference of the International Speech Communication Association, 2018

Approximating Bribery in Scoring Rules.

Orgad Keller, Avinatan Hassidim, Noam Hazon

Proceedings of the Thirty-Second AAAI Conference on Artificial Intelligence, 2018

2017

New Approximations for Coalitional Manipulation in General Scoring Rules.

Orgad Keller, Avinatan Hassidim, Noam Hazon

CoRR, 2017

New Approximation for Borda Coalitional Manipulation.

Orgad Keller, Avinatan Hassidim, Noam Hazon

Proceedings of the 16th Conference on Autonomous Agents and MultiAgent Systems, 2017

2014

Generalized substring compression.

Orgad Keller, Tsvi Kopelowitz, Shir Landau Feibish, Moshe Lewenstein

Theor. Comput. Sci., 2014

2013

Finding the Minimum-Weight k-Path.

Avinatan Hassidim, Orgad Keller, Moshe Lewenstein, Liam Roditty

Proceedings of the Algorithms and Data Structures - 13th International Symposium, 2013

2011

Approximate string matching with stuck address bits.

Amihood Amir, Estrella Eisenberg, Orgad Keller, Avivit Levy, Ely Porat

Theor. Comput. Sci., 2011

2009

On the longest common parameterized subsequence.

Orgad Keller, Tsvi Kopelowitz, Moshe Lewenstein

Theor. Comput. Sci., 2009

2007

Range Non-overlapping Indexing and Successive List Indexing.

Orgad Keller, Tsvi Kopelowitz, Moshe Lewenstein

Proceedings of the Algorithms and Data Structures, 10th International Workshop, 2007