Revisiting Item Promotion in GNN-Based Collaborative Filtering: A Masked Targeted Topological Attack Perspective.
Yongwei WangYong LiuZhiqi ShenPublished in: AAAI (2023)
Keyphrases
- collaborative filtering
- user preferences
- collaborative filtering recommendation algorithm
- personalized recommendation
- user ratings
- making recommendations
- item recommendation
- cold start problem
- recommender systems
- pearson correlation coefficient
- matrix factorization
- hybrid recommendation
- cold start
- latent factor models
- item based collaborative filtering
- recommendation systems
- viewpoint
- countermeasures
- data sparsity
- user item rating
- deal with information overload
- user similarity
- recommendation algorithms
- rating prediction
- topological properties
- user specific
- active user
- recommendation quality
- attack detection
- information filtering
- prediction accuracy
- website
- content based filtering
- product recommendation