Mining Ticketing Logs for Usage Characterization with Nonnegative Matrix Factorization.
Mickaël PoussevinEmeric TonnelierNicolas BaskiotisVincent GuiguePatrick GallinariPublished in: MSM/MUSE/SenseML (2014)
Keyphrases
- nonnegative matrix factorization
- probabilistic latent semantic indexing
- negative matrix factorization
- matrix factorization
- data representation
- principal component analysis
- web logs
- least squares
- nonnegative matrix
- spectral clustering
- active set
- text mining
- document clustering
- data sets
- knowledge discovery
- objective function
- data mining
- collaborative filtering
- high dimensional
- pattern recognition