PRIS at 2012 TREC Medical Track: Query Expansion, Retrieval and Ranking.
Jiayue ZhangLin LinShudang DiaoYukun LiRunnan LiuWeiran XuJun GuoPublished in: TREC (2012)
Keyphrases
- query expansion
- biomedical information retrieval
- retrieval effectiveness
- pseudo relevance feedback
- information retrieval
- ad hoc retrieval
- automatic query expansion
- information retrieval systems
- document ranking
- probabilistic retrieval model
- relevance feedback
- ranked retrieval
- retrieval model
- interactive query expansion
- query specific
- text retrieval
- language model
- language modeling
- meta search
- retrieved documents
- expert search
- document level
- ranking scheme
- post retrieval
- short queries
- relevance model
- relevant documents
- learning to rank
- test collection
- pseudo feedback
- query terms
- retrieval strategies
- biomedical text
- query translation
- initial query
- original query
- patent retrieval
- document retrieval
- document collections
- trec collections
- passage retrieval
- average precision
- evaluation measures
- ranking functions