Improving Latent Factor Model Based Collaborative Filtering via Integrated Folksonomy Factors.
Xin LuoYuanxin OuyangZhang XiongPublished in: Int. J. Uncertain. Fuzziness Knowl. Based Syst. (2011)
Keyphrases
- latent factors
- matrix factorization
- collaborative filtering
- latent factor models
- implicit feedback
- recommender systems
- factor analysis
- nonnegative matrix factorization
- user preferences
- latent variables
- negative matrix factorization
- explicit feedback
- probabilistic latent semantic analysis
- recommendation systems
- user profiles
- missing data
- user interests
- learning to rank
- human computer interaction
- latent dirichlet allocation
- topic models
- information retrieval systems
- co occurrence
- prior knowledge
- information retrieval