Keyphrases
- social interaction
- social networks
- social media
- information retrieval
- indexing method
- text retrieval
- social networking
- indexing techniques
- databases
- video indexing
- social behavior
- indexing scheme
- user generated
- news articles
- virtual communities
- human behavior
- data structure
- information systems
- indexing methods
- social context
- database
- image indexing
- index terms
- automatic indexing
- news reports