Understanding operation behaviors of taxicabs in cities by matrix factorization.
Chaogui KangKun QinPublished in: Comput. Environ. Urban Syst. (2016)
Keyphrases
- matrix factorization
- collaborative filtering
- recommender systems
- missing data
- low rank
- negative matrix factorization
- nonnegative matrix factorization
- data sparsity
- factor analysis
- tensor factorization
- variational bayesian
- factorization methods
- item recommendation
- personalized ranking
- implicit feedback
- natural images
- web search
- data matrix
- stochastic gradient descent
- pairwise