Keyphrases
- query expansion
- web search
- ad hoc retrieval
- improving search
- personalized web search
- information retrieval systems
- query disambiguation
- language modeling
- retrieval effectiveness
- pseudo relevance feedback
- federated search
- search engine
- language model
- information retrieval
- document level
- text retrieval
- relevance feedback
- retrieval model
- web search engines
- query topic
- search logs
- relevant documents
- expert finding
- automatic query expansion
- blog distillation
- query terms
- search result
- search queries
- web pages
- document ranking
- query specific
- query logs
- anchor text
- original query
- personalized search
- search sessions
- topic models
- biomedical information retrieval
- text classification