collaborators

11 papers

cs.GT2026

Learning Dynamics of Strategic Publishers in Generative AI Ecosystems

Sagie Dekel, Omer Madmon, Moshe Tennenholtz +1

Generative AI (GenAI) search systems are transforming how users access information. Unlike ranking-based search systems, where users observe a ranked list of documents, GenAI searc…

cs.GT2026

Stability in Competitive Search with Results Diversification

Itamar Reinman, Omer Madmon, Moshe Tennenholtz +1

In a competitive search setting, publishers strategically modify their documents in response to induced rankings so as to improve their future ranking. We present a novel game-theo…

cs.CL2026

Predicting the Benefit of Retrieval Augmentation in Open-Domain Question Answering

Or Dado, David Carmel, Oren Kurland

While retrieval augmented generation has become a common approach for enhancing question answering systems, retrieval is not universally advantageous. We study the problem of predi…

cs.IR2026

Addressing Corpus Knowledge Poisoning Attacks on RAG Using Sparse Attention

Sagie Dekel, Moshe Tennenholtz, Oren Kurland

Retrieval Augmented Generation (RAG) is a highly effective paradigm for keeping LLM-based responses up-to-date and reducing the likelihood of hallucinations. Yet, RAG was recently…

cs.IR2025

RLRF: Competitive Search Agent Design via Reinforcement Learning from Ranker Feedback

Tommy Mordo, Sagie Dekel, Omer Madmon +2

Competitive search is a setting where document publishers modify them to improve their ranking in response to a query. Recently, publishers have increasingly leveraged LLMs to gene…

cs.IR2025

On the Merits of LLM-Based Corpus Enrichment

Gal Zur, Tommy Mordo, Moshe Tennenholtz +1

Generative AI (genAI) technologies -- specifically, large language models (LLMs) -- and search have evolving relations. We argue for a novel perspective: using genAI to enrich a do…