Leveraging hierarchy-aware diffusion model and knowledge-enhanced contrastive learning for recommendation
Kaibei Li, Yihao Zhang, Qinyang He, Xiaokang Li
Topics & Concepts
Computer scienceUnificationArtificial intelligenceAdaptabilityGraphNatural language processingRepresentation (politics)Constraint (computer-aided design)Filter (signal processing)Machine learningRecommender systemKnowledge representation and reasoningFeature learningNode (physics)Semantics (computer science)Language modelRecommender Systems and TechniquesAdvanced Graph Neural NetworksMachine Learning in Healthcare