Keyphrases
- social context
- virtual world
- clustering algorithm
- social interaction
- k means
- contextual information
- clustering method
- unsupervised learning
- human faces
- social media
- spectral clustering
- social relationships
- self organizing maps
- document clustering
- data clustering
- hierarchical clustering
- categorical data
- social relations
- online social networks
- cluster analysis
- virtual environment
- text mining
- information extraction
- user interface