Yimin Deng

representation learning (1) contrastive learning (1) reinforcement learning (1) policy optimization (1) prototype learning (1) preference learning (1) preference alignment (1) task-oriented dialogue (1) knowledge graph reasoning (1) structural learning (1) graph structure learning (1) semantic similarity (1) temporal knowledge graph (1) semantic reasoning (1) out-of-domain datum (1) event prediction (1) structural embedding (1) multi-expert learning (1) dialogue system (1) semantic equivalence (1)