activity
20242026
most citedReDeEP: Detecting Hallucination in Retrieval-Augmented Generation via Mechanistic Interpretability

5 citations · 5 across the 15 of their papers we have counts for

collaborators

16 papers

cs.AI2026

Key Path Identification for Resolving Knowledge Conflicts via SAE-based Steering

Wenbo Zhang, Zhongxiang Sun, Zhiguang Han +1

Sparse autoencoder (SAE)-based steering has been widely used to address knowledge conflicts by guiding LLMs to be more faithful to the contextual knowledge. Existing methods usuall…

cs.CV2026

ToolArtist: Tool-Using Unified Multimodal Models for Agentic Image Generation

Jiahao Zhao, Xiaomin Yu, Zhongxiang Sun +5

Text-to-image (T2I) models can produce visually compelling images, yet they remain limited on open-world tasks that require complex semantic understanding, multi-step reasoning, an…

cs.CV2026

HomeSafe-Bench: Evaluating Vision-Language Models on Unsafe Action Detection for Embodied Agents in Household Scenarios

Jiayue Pu, Zhongxiang Sun, Zilu Zhang +2

The rapid evolution of embodied agents has accelerated the deployment of household robots in real-world environments. However, unlike structured industrial settings, household spac…

cs.AI2026

DLLM-Searcher: Adapting Diffusion Large Language Model for Search Agents

Jiahao Zhao, Shaoxuan Xu, Zhongxiang Sun +6

Recently, Diffusion Large Language Models (dLLMs) have demonstrated unique efficiency advantages, enabled by their inherently parallel decoding mechanism and flexible generation pa…

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.…

cs.CL2024

LargePiG: Your Large Language Model is Secretly a Pointer Generator

Zhongxiang Sun, Zihua Si, Xiaoxue Zang +4

Recent research on query generation has focused on using Large Language Models (LLMs), which despite bringing state-of-the-art performance, also introduce issues with hallucination…

cs.CL2024★ 5 cited

ReDeEP: Detecting Hallucination in Retrieval-Augmented Generation via Mechanistic Interpretability

Zhongxiang Sun, Xiaoxue Zang, Kai Zheng +5

Retrieval-Augmented Generation (RAG) models are designed to incorporate external knowledge, reducing hallucinations caused by insufficient parametric (internal) knowledge. However,…

cs.CL2024

Effective In-Context Example Selection through Data Compression

Zhongxiang Sun, Kepu Zhang, Haoyu Wang +2

In-context learning has been extensively validated in large language models. However, the mechanism and selection strategy for in-context example selection, which is a crucial ingr…

cs.IR2024

UniSAR: Modeling User Transition Behaviors between Search and Recommendation

Teng Shi, Zihua Si, Jun Xu +6

Nowadays, many platforms provide users with both search and recommendation services as important tools for accessing information. The phenomenon has led to a correlation between us…

cs.IR2024

To Search or to Recommend: Predicting Open-App Motivation with Neural Hawkes Process

Zhongxiang Sun, Zihua Si, Xiao Zhang +4

Incorporating Search and Recommendation (S&R) services within a singular application is prevalent in online platforms, leading to a new task termed open-app motivation prediction,…

cs.IR2024

Large Language Models Enhanced Collaborative Filtering

Zhongxiang Sun, Zihua Si, Xiaoxue Zang +4

Recent advancements in Large Language Models (LLMs) have attracted considerable interest among researchers to leverage these models to enhance Recommender Systems (RSs). Existing w…