Keyphrases
- cold start
- tag recommendation
- keywords
- recommender systems
- cold start problem
- collaborative filtering
- social tagging systems
- music recommendation
- data sparsity
- recommendation systems
- item recommendation
- user generated
- social tagging
- personalized recommendation
- search engine
- web pages
- implicit feedback
- user experience
- user ratings
- visual features
- semantic information
- recommendation algorithms
- matrix factorization
- web documents
- image annotation
- data sparseness
- user queries
- relevant documents
- social tags
- keyword search
- web search