4 papers
STITCH-RAG: Spatio-Temporal Influence Tracing over Topic Hypergraphs for Multi-Hop Retrieval-Augmented Generation
Haodong Yang, Mengzhu Chen, Jia Cai
Multi-hop retrieval-augmented generation requires a retriever to connect evidence distributed across documents while preserving a concise, faithful generation context. Existing ind…
A Survey of Large Language Models for Perception and Measurement of Human Psychology
Yudong Li, Xiaoyi Chen, Jiawei Cai +4
Against the backdrop of the rapid advancement of Large Language Models (LLMs), their application in the field of psychology has garnered significant academic attention. A central i…
KoCo: Conditioning Language Model Pre-training on Knowledge Coordinates
Yudong Li, Jiawei Cai, Linlin Shen
Standard Large Language Model (LLM) pre-training typically treats corpora as flattened token sequences, often overlooking the real-world context that humans naturally rely on to co…
FlexStructRAG: Flexible Structure-Aware Multi-Granular Relational Retrieval for RAG
Mengzhu Chen, Haodong Yang, Jia Cai +1
Retrieval-Augmented Generation (RAG) systems critically depend on how external knowledge is segmented, structured, and retrieved. Most existing approaches either retrieve fixed-len…