Jun Chen

SPIMP-RAG: structure-prior injected message passing for low-budget triple retrieval in LLM-based knowledge graph question answering

SPIMP-RAG is proposed, a coarse-to-fine triple retrieval approach whose key component is Structure-Prior Injected Message Passing (SPIMP), a fine-stage reranker that injects Directional Distance Encoding into relation-aware message passing and supports the effectiveness of structure-aware fine reranking for compact evi...