Towards Query Level Resource Weighting for Diversified Query Expansion.
Arbi BouchouchaXiaohua LiuJian-Yun NiePublished in: ECIR (2015)
Keyphrases
- query expansion
- original query
- relevance feedback
- language model
- retrieval effectiveness
- information retrieval
- document level
- information retrieval systems
- query terms
- pseudo relevance feedback
- automatic query expansion
- relevant documents
- text retrieval
- ad hoc retrieval
- expansion terms
- term selection
- language modeling
- document ranking
- initial query
- trec genomics track
- retrieval model
- retrieved documents
- query specific
- ranked retrieval
- tf idf
- improving search
- ranking scheme
- learning algorithm
- query expansion methods
- vocabulary mismatch
- interactive query expansion
- pseudo feedback
- short queries
- federated search
- search logs
- personalized web search
- keywords
- retrieval systems
- query translation
- query disambiguation
- term weighting