Optimization of some factors affecting the performance of query expansion.
Young Mee ChungJae Yun LeePublished in: Inf. Process. Manag. (2004)
Keyphrases
- query expansion
- factors affecting
- information retrieval systems
- retrieval effectiveness
- language modeling
- relevance feedback
- language model
- information retrieval
- text retrieval
- retrieval model
- relevant documents
- pseudo relevance feedback
- improving search
- trec genomics track
- web corpora
- ad hoc retrieval
- automatic query expansion
- query translation
- original query
- query terms
- query specific
- document ranking
- model for information retrieval
- query disambiguation
- term selection
- machine learning
- interactive query expansion
- vocabulary mismatch
- query expansion methods
- probabilistic model
- vector space