Hierarchical Graph Signal Processing for Collaborative Filtering.
Jiafeng XiaDongsheng LiHansu GuTun LuPeng ZhangLi ShangNing GuPublished in: WWW (2024)
Keyphrases
- random graphs
- signal processing
- collaborative filtering
- graph theoretic
- attributed graphs
- recommender systems
- image processing
- data sparsity
- fourier transform
- hierarchical model
- pattern recognition
- multiresolution
- filter bank
- coarse to fine
- matrix factorization
- user ratings
- recommendation systems
- hierarchical clustering
- hierarchical structure
- user preferences
- spanning tree
- graph model
- search engine
- signal analysis
- cold start problem
- making recommendations