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Yunfei Li

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Book Open access Aug 2026

KGA-LM: Representation-Level Grounding for Conversational Search over Knowledge Graphs

Integrating structured knowledge graphs (KGs) with Large Language Models (LLMs) is essential for trustworthy, knowledge intensive conversational systems. However, existing Retrieval Augmented Generation (RAG) methods typically rely on a retrieval-as-context paradigm that linearizes structured subgraphs into unstructure...

Yun-Fei Li, Cheng-Fei Liu, Rui Zhou et al. · 0 citations
Book Open access Aug 2026

KGA-LM: Representation-Level Grounding for Conversational Search over Knowledge Graphs

By decoupling knowledge injection from prompt length, the KGA-LM approach mitigates retrieval signal decay under long contexts, offering a superior trade-off between grounding quality and inference efficiency.

Yunfei Li, Chengfei Liu, Rui Zhou et al. · 0 citations

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