collaborators

5 papers

cs.IR2026

Towards Sustainable Growth: A Multi-Value-Aware Retrieval Framework for E-Commerce Search

Yifan Wang, Yixuan Wang, YiDan Liang +2

New item growth is critical for maintaining a healthy ecosystem in large-scale e-commerce platforms. However, existing systems tend to prioritize presenting users with already popu…

cs.CL2026

ACR: Adaptive Context Refactoring via Context Refactoring Operators for Multi-Turn Dialogue

Jiawei Shen, Jia Zhu, Hanghui Guo +9

Large Language Models (LLMs) have shown remarkable performance in multi-turn dialogue. However, in multi-turn dialogue, models still struggle to stay aligned with what has been est…

cs.LG2026

DynaGen: Unifying Temporal Knowledge Graph Reasoning with Dynamic Subgraphs and Generative Regularization

Jiawei Shen, Jia Zhu, Hanghui Guo +6

Temporal Knowledge Graph Reasoning (TKGR) aims to complete missing factual elements along the timeline. Depending on the temporal position of the query, the task is categorized int…

cs.CL2025

EduEval: A Hierarchical Cognitive Benchmark for Evaluating Large Language Models in Chinese Education

Guoqing Ma, Jia Zhu, Hanghui Guo +5

Large language models (LLMs) demonstrate significant potential for educational applications. However, their unscrutinized deployment poses risks to educational standards, underscor…

cs.AI2025

Automatic Failure Attribution and Critical Step Prediction Method for Multi-Agent Systems Based on Causal Inference

Guoqing Ma, Jia Zhu, Hanghui Guo +4

Multi-agent systems (MAS) are critical for automating complex tasks, yet their practical deployment is severely hampered by the challenge of failure attribution. Current diagnostic…