On Improving Pseudo-Relevance Feedback Using Pseudo-Irrelevant Documents.
Karthik RamanRaghavendra UdupaPushpak BhattacharyyaAbhijit BholePublished in: ECIR (2010)
Keyphrases
- pseudo relevance feedback
- irrelevant documents
- query expansion
- expansion terms
- relevant documents
- retrieval effectiveness
- language model
- search engine
- document retrieval
- relevance feedback
- ad hoc retrieval
- retrieved documents
- average precision
- relevance model
- retrieval model
- information retrieval systems
- language modeling
- information retrieval
- test collection
- original query
- document collections
- query terms
- ranked list
- multimedia