How Neighborhood Exploration influences Novelty and Diversity in Graph Collaborative Filtering.
Vito Walter AnelliYashar DeldjooTommaso Di NoiaEugenio Di SciascioAntonio FerraraDaniele MalitestaClaudio PomoPublished in: MORS@RecSys (2022)
Keyphrases
- collaborative filtering
- interval estimation
- neighborhood graph
- recommender systems
- neighborhood structure
- matrix factorization
- random walk
- directed graph
- graph theoretic
- graph representation
- data sparsity
- novelty detection
- structured data
- user preferences
- graph model
- graph structure
- graph based algorithm
- search result diversification
- affinity graph
- minimal spanning tree
- connected components
- recommendation systems
- graph databases
- graph theory
- latent factor models
- pearson correlation coefficient
- user profiles