Untargeted Attack against Federated Recommendation Systems via Poisonous Item Embeddings and the Defense.
Yang YuQi LiuLikang WuRunlong YuSanshi Lei YuZaixi ZhangPublished in: CoRR (2022)
Keyphrases
- recommendation systems
- collaborative filtering recommendation algorithm
- user preferences
- defense mechanisms
- ddos attacks
- personalized recommendation
- long tail
- recommendation algorithms
- collaborative filtering
- recommender systems
- vector space
- user similarity
- active user
- digital libraries
- network security
- search engine
- user modeling
- intrusion detection
- web search
- tag recommendation
- recommendation quality
- countermeasures
- user feedback
- trust relationships
- online stores
- user behavior
- expert systems
- social recommendation
- learning algorithm
- matrix factorization
- cold start problem
- collaborative recommendation
- image retrieval
- feature space
- data mining