Positional relevance model for pseudo-relevance feedback.
Yuanhua LvChengXiang ZhaiPublished in: SIGIR (2010)
Keyphrases
- pseudo relevance feedback
- relevance model
- query expansion
- language model
- document retrieval
- retrieval effectiveness
- ad hoc retrieval
- relevance feedback
- retrieved documents
- relevant documents
- original query
- average precision
- trec collections
- query terms
- document ranking
- pseudo feedback
- information retrieval
- language modeling
- trec test collections
- document collections
- information retrieval systems
- keywords
- term frequency
- distance measure
- query specific