Using Multiple External Collections for Query Expansion.
Dongqing ZhuBen CarterettePublished in: TREC (2011)
Keyphrases
- query expansion
- information retrieval
- information retrieval systems
- retrieval effectiveness
- pseudo relevance feedback
- relevance feedback
- language modeling
- language model
- relevant documents
- improving search
- document collections
- text retrieval
- blog feed search
- ad hoc retrieval
- automatic query expansion
- retrieval model
- original query
- federated search
- query expansion methods
- web corpora
- biomedical information retrieval
- interactive query expansion
- query disambiguation
- query translation
- ranking scheme
- text classification
- model for information retrieval
- digital libraries