X-KGRank couples a LightGCN recommender with knowledge-graph-grounded LLM explanations, reporting +17% NDCG@10 over a popularity baseline on MovieLens-1M, though the LLM does not affect the final ranking.
Recommendation as Language Processing (RLP): A Unified Pretrain, Personalized Prompt & Predict Paradigm (P5),
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X-KGRank: A Knowledge Graph RAG Framework for Explainable Recommendations via Pattern Mining and LLM Re-Ranking
X-KGRank couples a LightGCN recommender with knowledge-graph-grounded LLM explanations, reporting +17% NDCG@10 over a popularity baseline on MovieLens-1M, though the LLM does not affect the final ranking.