IRIT at TREC 2011: Evaluation of Query Expansion Techniques for Medical Record Retrieval.

Duy Dinh Lynda Tamine

Published in: TREC (2011)

Keyphrases

query expansion
interactive query expansion
retrieval effectiveness
pseudo relevance feedback
information retrieval
ad hoc retrieval
biomedical information retrieval
relevance feedback
automatic query expansion
information retrieval systems
relevance judgments

medical records
retrieval model
short queries
probabilistic retrieval model
language model
test collection
ranked retrieval
language modeling
retrieval accuracy
query formulation
retrieval strategies

text retrieval
health care
relevance model
query terms
document level
document ranking
relevant documents
improve retrieval effectiveness
original query
data sets
document retrieval

free text
average precision
query specific
medical data
xml retrieval
trec collections
expert search
relevance assessments
retrieval systems
database