Instance-Wise Weighted Nonnegative Matrix Factorization for Aggregating Partitions with Locally Reliable Clusters.
Xiaodong ZhengShanfeng ZhuJunning GaoHiroshi MamitsukaPublished in: IJCAI (2015)
Keyphrases
- nonnegative matrix factorization
- clustering algorithm
- document clustering
- probabilistic latent semantic indexing
- spectral clustering
- negative matrix factorization
- data representation
- matrix factorization
- nonnegative matrix
- least squares
- principal component analysis
- objective function
- original data
- data matrix
- cluster analysis
- k means
- sparsity constraints
- text mining
- normalized cut
- xml documents
- multiscale
- data sets