collaborators

7 papers

cs.MA2026

AgentWebBench: Benchmarking Multi-Agent Coordination in Agentic Web

Shanshan Zhong, Kate Shen, Chenyan Xiong

Agentic Web is an emerging paradigm where autonomous agents help users use online information. As the paradigm develops, content providers are also deploying agents to manage their…

cs.IR2026

Efficient Dataset Selection for Continual Adaptation of Generative Recommenders

Cathy Jiao, Juan Elenter, Praveen Ravichandran +7

Recommendation systems must continuously adapt to evolving user behavior, yet the volume of data generated in large-scale streaming environments makes frequent full retraining impr…

cs.GT2026

An Economic Framework for Generative Engines: Advertising or Subscription?

Luyang Zhang, Cathy Jiao, Beibei Li +1

Generative Engines (GEs) such as ChatGPT and Google's AI Overviews are rapidly reshaping search economics by delivering synthesized responses that allow users to bypass third-party…

cs.IR2026

Agentic Search in the Wild: Intents and Trajectory Dynamics from 14M+ Real Search Requests

Jingjie Ning, João Coelho, Yibo Kong +5

LLM-powered search agents are increasingly being used for multi-step information seeking tasks, yet the IR community lacks empirical understanding of how agentic search sessions un…

cs.AI2025

Beneficial Reasoning Behaviors in Agentic Search and Effective Post-training to Obtain Them

Jiahe Jin, Abhijay Paladugu, Chenyan Xiong

Agentic search requires large language models (LLMs) to perform multi-step search to solve complex information-seeking tasks, imposing unique challenges on their reasoning capabili…

cs.IR2025

Aligning Web Query Generation with Ranking Objectives via Direct Preference Optimization

João Coelho, Bruno Martins, João Magalhães +1

Neural retrieval models excel in Web search, but their training requires substantial amounts of labeled query-document pairs, which are costly to obtain. With the widespread availa…