M3KG-RAG: Multi-hop Multimodal Knowledge Graph-enhanced Retrieval-Augmented Generation. - Hyeongcheol Park; Jiyoung Seo; Jaewon Mun; Hogun Park; Wonmin Byeon; Sung June Kim; Hyeonsoo Im; JeungSub Lee; Sangpil Kim (CoRR, 2025)