activity
20242026
collaborators

7 papers

cs.CL2026

ORBIT: Scalable and Verifiable Data Generation for Search Agents on a Tight Budget

Nandan Thakur, Zijian Chen, Xueguang Ma +1

Search agents, which integrate language models (LMs) with web search, are becoming crucial for answering complex user queries. Constructing training datasets for deep research task…

cs.CY2026

InterveneBench: Benchmarking LLMs for Intervention Reasoning and Causal Study Design in Real Social Systems

Shaojie Shi, Zhengyu Shi, Lingran Zheng +15

Causal inference in social science relies on end-to-end, intervention-centered research-design reasoning grounded in real-world policy interventions, but current benchmarks fail to…

cs.CL2026

AgentIR: Reasoning-Aware Retrieval for Deep Research Agents

Zijian Chen, Xueguang Ma, Shengyao Zhuang +3

Deep Research agents are rapidly emerging as primary consumers of modern retrieval systems. Unlike human users who issue and refine queries without documenting their intermediate t…

cs.CL2025

BrowseComp-Plus: A More Fair and Transparent Evaluation Benchmark of Deep-Research Agent

Zijian Chen, Xueguang Ma, Shengyao Zhuang +17

Deep-Research agents, which integrate large language models (LLMs) with search tools, have shown success in improving the effectiveness of handling complex queries that require ite…

cs.IR2025

RankLLM: A Python Package for Reranking with LLMs

Sahel Sharifymoghaddam, Ronak Pradeep, Andre Slavescu +7

The adoption of large language models (LLMs) as rerankers in multi-stage retrieval systems has gained significant traction in academia and industry. These models refine a candidate…

cs.CL2024

Zero-Shot ATC Coding with Large Language Models for Clinical Assessments

Zijian Chen, John-Michael Gamble, Micaela Jantzi +2

Manual assignment of Anatomical Therapeutic Chemical (ATC) codes to prescription records is a significant bottleneck in healthcare research and operations at Ontario Health and Int…