Hyperlink-extended pseudo relevance feedback for improved microblog retrieval.
Tarek El-GanainyWalid MagdyAhmed RafeaPublished in: SoMeRA@SIGIR (2014)
Keyphrases
- pseudo relevance feedback
- query expansion
- retrieval accuracy
- document retrieval
- relevance feedback
- ad hoc retrieval
- query length
- average precision
- retrieval effectiveness
- trec test collections
- automatic query expansion
- retrieval model
- query specific
- relevance model
- language model
- language modelling
- information retrieval systems
- query terms
- pseudo feedback
- original query
- relevant documents
- retrieved documents
- trec collections
- test collection
- document ranking
- text retrieval
- ad hoc information retrieval
- information retrieval
- interactive query expansion
- image retrieval
- retrieval systems
- term selection
- language modeling
- image database
- document level
- document collections
- co occurrence
- database systems
- retrieval method
- probabilistic model
- multimedia