collaborators

5 papers

cs.IR2026

SLSREC: Self-Supervised Contrastive Learning for Adaptive Fusion of Long- and Short-Term User Interests

Wei Zhou, Yue Shen, Junkai Ji +5

User interests typically encompass both long-term preferences and short-term intentions, reflecting the dynamic nature of user behaviors across different timeframes. The uneven tem…

cs.CL2026

CTRL-RAG: Contrastive Likelihood Reward Based Reinforcement Learning for Context-Faithful RAG Models

Zhehao Tan, Yihan Jiao, Dan Yang +8

With the growing use of Retrieval-Augmented Generation (RAG), training large language models (LLMs) for context-sensitive reasoning and faithfulness is increasingly important. Exis…

cs.IR2026

Navigating Ideation Space: Decomposed Conceptual Representations for Positioning Scientific Ideas

Yuexi Shen, Minqian Liu, Dawei Zhou +1

Scientific discovery is a cumulative process and requires new ideas to be situated within an ever-expanding landscape of existing knowledge. An emerging and critical challenge is h…

cs.IR2025

GroupRank: A Groupwise Paradigm for Effective and Efficient Passage Reranking with LLMs

Meixiu Long, Duolin Sun, Dan Yang +12

Large Language Models (LLMs) have emerged as powerful tools for passage reranking in information retrieval, leveraging their superior reasoning capabilities to address the limitati…

cs.LG2025

POLYRAG: Integrating Polyviews into Retrieval-Augmented Generation for Medical Applications

Chunjing Gan, Dan Yang, Binbin Hu +5

Large language models (LLMs) have become a disruptive force in the industry, introducing unprecedented capabilities in natural language processing, logical reasoning and so on. How…