Mitigating the Popularity Bias of Graph Collaborative Filtering: A Dimensional Collapse Perspective.
Yifei ZhangHao ZhuYankai ChenZixing SongPiotr KoniuszIrwin KingPublished in: NeurIPS (2023)
Keyphrases
- collaborative filtering
- recommender systems
- multi dimensional
- graph theory
- user preferences
- data sparsity
- matrix factorization
- graph representation
- weighted graph
- directed graph
- connected components
- random walk
- viewpoint
- structured data
- bipartite graph
- graphical models
- knn
- directed acyclic graph
- graph construction
- recommendation systems
- social tagging systems
- graph based algorithm
- undirected graph
- spanning tree
- graph model
- graph structure
- risk management
- data points