A Novel Query Expansion Technique based on a Mixed Graph of Terms.
Fabio ClariziaFrancesco ColaceMassimo De SantoLuca GrecoPaolo NapoletanoPublished in: KDIR (2011)
Keyphrases
- query expansion
- expansion terms
- original query
- query terms
- automatic query expansion
- trec genomics track
- information retrieval systems
- retrieval effectiveness
- term selection
- vocabulary mismatch
- information retrieval
- relevance feedback
- text retrieval
- query expansion methods
- pseudo relevance feedback
- interactive query expansion
- relevant documents
- relevance model
- probabilistic retrieval model
- language model
- initial query
- language modeling
- improving search
- text segmentation
- retrieval model
- query translation
- short queries
- biomedical information retrieval
- probabilistic model
- query disambiguation
- user queries
- ranked retrieval
- document level
- query specific
- retrieved documents
- feature selection
- pseudo feedback