Topic sense induction from social tags based on non-negative matrix factorization.
Junpeng ChenShuai FengJuan LiuPublished in: Inf. Sci. (2014)
Keyphrases
- negative matrix factorization
- social tags
- matrix factorization
- document clustering
- sparse representation
- social bookmarking
- principal component analysis
- spectral clustering
- personalized recommendation
- recommender systems
- collaborative filtering
- metadata
- databases
- digital libraries
- user interests
- feature selection
- relevance feedback
- topic models
- image search
- spam detection