Overlapping community detection at scale: a nonnegative matrix factorization approach.
Jaewon YangJure LeskovecPublished in: WSDM (2013)
Keyphrases
- nonnegative matrix factorization
- overlapping community detection
- probabilistic latent semantic indexing
- matrix factorization
- data representation
- negative matrix factorization
- active set
- spectral clustering
- nonnegative matrix
- least squares
- social networks
- principal component analysis
- co occurrence
- document clustering
- objective function
- collaborative filtering
- sparsity constraints
- pattern recognition