Using Query Expansion and Classification for Information Retrieval.
Wen YueZhiping ChenXinguo LuFeng LinJuan LiuPublished in: SKG (2005)
Keyphrases
- query expansion
- information retrieval
- information retrieval systems
- language modeling
- retrieval effectiveness
- language model
- relevant documents
- retrieval model
- text retrieval
- pseudo relevance feedback
- relevance feedback
- improving search
- automatic query expansion
- term selection
- ad hoc retrieval
- machine learning
- vocabulary mismatch
- query terms
- model for information retrieval
- feature extraction
- biomedical information retrieval
- text classification
- trec genomics track
- retrieved documents
- decision trees
- query expansion methods
- short queries
- document retrieval
- original query
- feature space
- information extraction
- interactive query expansion
- ranked retrieval
- probabilistic retrieval model
- language modeling framework
- training set
- image retrieval
- feature selection
- passage retrieval
- relevance model
- search engine
- average precision