Web-Based Pseudo Relevance Feedback for Microblog Retrieval.
Ahmed SaadEl DinWalid MagdyPublished in: TREC (2012)
Keyphrases
- pseudo relevance feedback
- query expansion
- retrieval accuracy
- document retrieval
- relevance feedback
- query length
- ad hoc retrieval
- average precision
- retrieval effectiveness
- automatic query expansion
- relevance model
- trec collections
- query specific
- test collection
- trec test collections
- original query
- ad hoc information retrieval
- language model
- retrieval model
- pseudo feedback
- information retrieval
- document ranking
- relevant documents
- interactive query expansion
- language modelling
- information retrieval systems
- query terms
- retrieved documents
- document level
- image retrieval
- term selection
- image database
- language modeling
- document collections
- text retrieval
- graded relevance assessments
- term frequency
- retrieval systems
- co occurrence