Selecting good expansion terms for pseudo-relevance feedback.
Guihong CaoJian-Yun NieJianfeng GaoStephen RobertsonPublished in: SIGIR (2008)
Keyphrases
- pseudo relevance feedback
- expansion terms
- query expansion
- retrieval effectiveness
- document retrieval
- selection criteria
- language model
- term selection
- retrieved documents
- relevant documents
- ad hoc retrieval
- automatic query expansion
- relevance feedback
- average precision
- information retrieval systems
- information retrieval
- original query
- query dependent
- text retrieval
- query specific
- retrieval model
- relevance model
- pseudo feedback
- language modeling
- test collection
- tf idf
- vector space model
- query terms
- document collections
- web search
- feature space