collaborators

9 papers

cs.MA2026

Emergent Relational Order in LLM Agent Societies: From Collective Affect to Authority Stratification

Zhiyuan Ji, Xinyu Chen, Ziqi Dai +3

Fei Xiaotong's Differential Order Pattern characterizes rural society as egocentric and relationally graded, with cooperation attenuating over social distance. Although often treat…

cs.IR2026

QKVQA: Question-Focused Filtering for Knowledge-based VQA

Wei Ye, Yixin Su, Yueguo Chen +4

Visual Question Answering (VQA) is the task of answering questions based on image content. Building upon this, Knowledge-Based VQA (KB-VQA) requires models to answer questions that…

cs.LG2026

A Knowledge-Informed Pretrained Model for Causal Discovery

Wenbo Xu, Yue He, Yunhai Wang +4

Causal discovery has been widely studied, yet many existing methods rely on strong assumptions or fall into two extremes: either depending on costly interventional signals or parti…

cs.DB2026

LLM-Driven Online Aggregation for Unstructured Text Analytics

Chao Hui, Weizheng Lu, Yanjie Gao +3

Large Language Models (LLMs) exhibit strong capabilities in text processing, and recent research has augmented SQL and DataFrame with LLM-powered semantic operators for data analys…

cs.LG2026

Balanced Anomaly-guided Ego-graph Diffusion Model for Inductive Graph Anomaly Detection

Chunyu Wei, Siyuan He, Yu Wang +7

Graph anomaly detection (GAD) is crucial in applications like fraud detection and cybersecurity. Despite recent advancements using graph neural networks (GNNs), two major challenge…

cs.AI2026

T-Retriever: Tree-based Hierarchical Retrieval Augmented Generation for Textual Graphs

Chunyu Wei, Huaiyu Qin, Siyuan He +2

Retrieval-Augmented Generation (RAG) has significantly enhanced Large Language Models' ability to access external knowledge, yet current graph-based RAG approaches face two critica…