Web Behavior Analysis Using Sparse Non-Negative Matrix Factorization.
Akihiro DemachiShin MatsushimaKenji YamanishiPublished in: DSAA (2016)
Keyphrases
- matrix factorization
- behavior analysis
- sparse non negative
- collaborative filtering
- sparse coding
- missing data
- recommender systems
- low rank
- anomaly detection
- surveillance system
- negative matrix factorization
- nonnegative matrix factorization
- linear combination
- factorization methods
- binary matrix
- sparse representation
- recommendation systems
- generative model