Revisiting Item Promotion in GNN-based Collaborative Filtering: A Masked Targeted Topological Attack Perspective.
Yongwei WangYong LiuZhiqi ShenPublished in: CoRR (2022)
Keyphrases
- collaborative filtering
- collaborative filtering recommendation algorithm
- user preferences
- user ratings
- personalized recommendation
- cold start problem
- making recommendations
- recommender systems
- item recommendation
- latent factor models
- pearson correlation coefficient
- hybrid recommendation
- recommendation algorithms
- matrix factorization
- user similarity
- item based collaborative filtering
- data sparsity
- rating prediction
- probabilistic matrix factorization
- deal with information overload
- active user
- cold start
- recommendation quality
- topological properties
- power analysis
- collaborative filtering algorithms
- demographic information
- collaborative recommendation
- user specific
- countermeasures
- recommendation systems
- connected components
- transfer learning