When Federated Recommendation Meets Cold-Start Problem: Separating Item Attributes and User Interactions.
Chunxu ZhangGuodong LongTianyi ZhouZijian ZhangPeng YanBo YangPublished in: WWW (2024)
Keyphrases
- cold start problem
- user interaction
- recommender systems
- personalized recommendation
- user feedback
- cold start
- collaborative filtering
- user behavior
- item based collaborative filtering
- data sparsity
- implicit feedback
- matrix factorization
- collaborative recommendation
- web users
- user experience
- user interface
- recommendation systems
- transfer learning
- user preferences
- expert systems
- website
- search engine
- user ratings
- active learning
- pairwise