GeoMF: joint geographical modeling and matrix factorization for point-of-interest recommendation.
Defu LianCong ZhaoXing XieGuangzhong SunEnhong ChenYong RuiPublished in: KDD (2014)
Keyphrases
- matrix factorization
- collaborative filtering
- recommender systems
- item recommendation
- data sparsity
- cold start problem
- latent factor models
- low rank
- implicit feedback
- nonnegative matrix factorization
- factorization methods
- missing data
- negative matrix factorization
- personalized ranking
- factor analysis
- probabilistic matrix factorization
- personalized recommendation
- stochastic gradient descent
- user preferences
- cold start
- variational bayesian
- data matrix
- recommendation systems
- co occurrence
- nearest neighbor