Spatial-Temporal Topic Model for Cold-Start Event Recommendation.
Ruichang LiShulin LvHonglei ZhuXuekun SongPublished in: IEEE Access (2020)
Keyphrases
- spatial temporal
- cold start
- topic models
- recommender systems
- collaborative filtering
- topic modeling
- data sparsity
- latent dirichlet allocation
- text documents
- tag recommendation
- implicit feedback
- personalized recommendation
- action recognition
- user preferences
- news articles
- temporal information
- text mining
- user ratings
- event detection
- probabilistic model
- co occurrence
- matrix factorization
- generative model
- recommendation algorithms
- news stories
- video shots
- spatial information
- user behavior
- active learning
- low level
- data mining