Finding overlapped communities in online social networks with Nonnegative Matrix Factorization.
Nam P. NguyenMy T. ThaiPublished in: MILCOM (2012)
Keyphrases
- online social networks
- nonnegative matrix factorization
- social networks
- social relationships
- social ties
- online social
- matrix factorization
- data representation
- negative matrix factorization
- social networking sites
- social networking
- online communities
- overlapping communities
- principal component analysis
- network structure
- social network analysis
- social media
- least squares
- social graphs
- complex networks
- cohesive subgroups
- information retrieval
- original data
- data sets
- machine learning
- document clustering
- social interaction
- missing data
- image classification
- recommender systems
- pairwise
- social graph
- digital libraries
- feature extraction
- data mining