Targeted Shilling Attacks on GNN-based Recommender Systems.
Sihan GuoTing BaiWeihong DengPublished in: CIKM (2023)
Keyphrases
- recommender systems
- product recommendation
- attack detection
- data sparsity
- injection attacks
- collaborative filtering algorithms
- collaborative filtering
- matrix factorization
- information overload
- countermeasures
- malicious attacks
- cold start problem
- user preferences
- user profiling
- user profiles
- information filtering
- recommendation systems
- information retrieval
- malicious users
- recommendation quality
- personal preferences
- active user
- traffic analysis
- security protocols
- security mechanisms
- user modeling
- watermarking scheme