collaborators

6 papers

cs.AI2025

Detection and Mitigation of Hallucination in Large Reasoning Models: A Mechanistic Perspective

Zhongxiang Sun, Qipeng Wang, Haoyu Wang +2

Large Reasoning Models (LRMs) have shown impressive capabilities in multi-step reasoning tasks. However, alongside these successes, a more deceptive form of model error has emerged…

cs.IR2025

Unified Generative Search and Recommendation

Teng Shi, Jun Xu, Xiao Zhang +4

Modern commercial platforms typically offer both search and recommendation functionalities to serve diverse user needs, making joint modeling of these tasks an appealing direction.…

cs.IR2025

Retrieval Augmented Generation with Collaborative Filtering for Personalized Text Generation

Teng Shi, Jun Xu, Xiao Zhang +4

Recently, the personalization of Large Language Models (LLMs) to generate content that aligns with individual user preferences has garnered widespread attention. Personalized Retri…

cs.IR2025

QE-RAG: A Robust Retrieval-Augmented Generation Benchmark for Query Entry Errors

Kepu Zhang, Zhongxiang Sun, Weijie Yu +5

Retriever-augmented generation (RAG) has become a widely adopted approach for enhancing the factual accuracy of large language models (LLMs). While current benchmarks evaluate the…

cs.CL2025

ReARTeR: Retrieval-Augmented Reasoning with Trustworthy Process Rewarding

Zhongxiang Sun, Qipeng Wang, Weijie Yu +6

Retrieval-Augmented Generation (RAG) systems for Large Language Models (LLMs) hold promise in knowledge-intensive tasks but face limitations in complex multi-step reasoning. While…

cs.CL2024

Trigger: Refining Query Correction via Adaptive Model Selector

Kepu Zhang, Zhongxiang Sun, Xiao Zhang +4

In search scenarios, user experience can be hindered by erroneous queries due to typos, voice errors, or knowledge gaps. Therefore, query correction is crucial for search engines.…