Keyphrases
- web search
- search engine
- social interaction
- web search engines
- social annotations
- social networks
- social media
- search queries
- web pages
- web information retrieval
- query logs
- search result
- semidefinite programming
- data sets
- personalized search
- social context
- obstacle avoidance
- social behavior
- social learning
- learning community
- online communities
- social networking
- keywords