A Study of Term Proximity and Document Weighting Normalization in Pseudo Relevance Feedback--UIUC at TREC 2009 Million Query Track.
Yuanhua LvJing HeV. G. Vinod VydiswaranKavita GanesanChengXiang ZhaiPublished in: TREC (2009)
Keyphrases
- pseudo relevance feedback
- query expansion
- query terms
- ad hoc retrieval
- retrieval effectiveness
- query specific
- okapi bm
- document ranking
- relevance feedback
- relevant documents
- language model
- relevance model
- information retrieval
- term proximity
- document retrieval
- information retrieval systems
- retrieved documents
- average precision
- user queries
- trec collections
- test collection
- document collections
- retrieval systems
- co occurrence
- term frequency
- document structure
- query logs
- relevance judgments
- search queries
- vector space model
- retrieval model
- data fusion
- document relevance
- language modelling
- n gram
- information extraction