Guanyu Wang

reinforcement learning (1) collaborative filtering (1) direct preference optimization (1) in-context learning (1) question answering (1) chain-of-thought reasoning (1) bilevel optimization (1) tree search (1) parameter-efficient fine-tuning (1) vision-language model (1) retrieval-augmented generation (1) graph reasoning (1) recommender system (1) top-k recommendation (1) encoder-decoder architecture (1) explainable artificial intelligence (1) subgraph sampling (1) group relative policy optimization (1) conditional neural process (1) expert allocation (1)