arxivcs.AI2026-06-26
Ontology-Guided Evidence Path Inference for Multi-hop Knowledge Graph Question Answering
Yongxue Shan, Meihan Wu, Cundi Fang, Jie Peng, Xiaodong Wang
Knowledge graph question answering (KGQA) aims to answer natural-language questions by reasoning over structured facts. Existing multi-hop KGQA methods mainly rely on topic-centered expansion, which faces two key challenges: the search space rapidly grows with noisy mixed-type pa…