Keyphrases
- user groups
- social networks
- long tail
- social networking sites
- social network analysis
- personal interests
- online dating
- social network services
- collaborative filtering
- social graph
- search tasks
- social networking
- recommender systems
- information sources
- heterogeneous social networks
- social media
- social interaction
- social networking websites
- recommendation systems
- information diffusion
- social relationships
- user preferences
- network structure
- location based social networks
- social connections
- online social networks
- social networking services
- information retrieval
- social relations
- social context
- information overload
- link prediction
- recommendation algorithms
- community structure
- complex networks
- end users
- digital libraries
- multimedia
- database
- interactive information retrieval systems