Keyphrases
- web search
- web pages
- query logs
- web search engines
- search engine
- anchor text
- website
- utility function
- improving web search
- search result
- user clicks
- web information retrieval
- social bookmarking
- relevance ranking
- search logs
- enterprise search
- web queries
- search queries
- database
- ranking functions
- federated search
- personalized web search
- search sessions
- web documents
- probability distribution
- social media
- case study
- clickthrough data
- metadata
- web searches
- genetic algorithm
- data sets