Joint Topic-Semantic-aware Social Matrix Factorization for online voting recommendation.
Jia WangHongwei WangMiao ZhaoJiannong CaoZhuo LiMinyi GuoPublished in: Knowl. Based Syst. (2020)
Keyphrases
- matrix factorization
- collaborative filtering
- recommender systems
- item recommendation
- rating prediction
- data sparsity
- cold start problem
- low rank
- latent factor models
- negative matrix factorization
- online communities
- topic modeling
- nonnegative matrix factorization
- online learning
- implicit feedback
- missing data
- factor analysis
- user interests
- social networking services
- user preferences
- factorization methods
- recommendation systems
- social networks
- recommendation algorithms
- personalized recommendation
- latent factors
- social networking
- stochastic gradient descent
- user generated
- tensor factorization
- personalized ranking
- tag recommendation
- user generated content
- social media
- cold start
- product reviews
- variational bayesian
- social interaction
- topic models
- pairwise