collaborators

6 papers

cs.IR2025

Improving Sequential Recommenders through Counterfactual Augmentation of System Exposure

Ziqi Zhao, Zhaochun Ren, Jiyuan Yang +7

In sequential recommendation (SR), system exposure refers to items that are exposed to the user. Typically, only a few of the exposed items would be interacted with by the user. Al…

cs.CL2025

Self-Adaptive Cognitive Debiasing for Large Language Models in Decision-Making

Yougang Lyu, Shijie Ren, Yue Feng +4

Large language models (LLMs) have shown potential in supporting decision-making applications, particularly as personal assistants in the financial, healthcare, and legal domains. W…

cs.IR2025

Agent-centric Information Access

Evangelos Kanoulas, Panagiotis Eustratiadis, Yongkang Li +5

As large language models (LLMs) become more specialized, we envision a future where millions of expert LLMs exist, each trained on proprietary data and excelling in specific domain…

cs.IR2025

A Cooperative Multi-Agent Framework for Zero-Shot Named Entity Recognition

Zihan Wang, Ziqi Zhao, Yougang Lyu +3

Zero-shot named entity recognition (NER) aims to develop entity recognition systems from unannotated text corpora. This task presents substantial challenges due to minimal human in…

cs.IR2024

R^3AG: First Workshop on Refined and Reliable Retrieval Augmented Generation

Zihan Wang, Xuri Ge, Joemon M. Jose +4

Retrieval-augmented generation (RAG) has gained wide attention as the key component to improve generative models with external knowledge augmentation from information retrieval. It…

cs.CL2024

MACPO: Weak-to-Strong Alignment via Multi-Agent Contrastive Preference Optimization

Yougang Lyu, Lingyong Yan, Zihan Wang +4

As large language models (LLMs) are rapidly advancing and achieving near-human capabilities on specific tasks, aligning them with human values is becoming more urgent. In scenarios…