AEHRC & QUT at TREC 2011 Medical Track : a concept-based information retrieval approach

Koopman, Bevan, Bruza, Peter, Sitbon, Laurianne, & Lawley, Michael (2011) AEHRC & QUT at TREC 2011 Medical Track : a concept-based information retrieval approach. In Voorhees, E. M. & Buckland, Lori P. (Eds.) Proceedings of 20th Text REtrieval Conference (TREC 2011), National Institute of Standards and Technology (NIST), Gaithersburg, MD, USA, pp. 1-7.

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The Australian e-Health Research Centre and Queensland University of Technology recently participated in the TREC 2011 Medical Records Track. This paper reports on our methods, results and experience using a concept-based information retrieval approach. Our concept-based approach is intended to overcome specific challenges we identify in searching medical records. Queries and documents are transformed from their term-based originals into medical concepts as de ned by the SNOMED-CT ontology. Results show our concept-based approach performed above the median in all three performance metrics: bref (+12%), R-prec (+18%) and Prec@10 (+6%).

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ID Code: 53156
Item Type: Conference Paper
Refereed: No
Divisions: Current > Schools > School of Electrical Engineering & Computer Science
Current > Schools > School of Information Systems
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2011 Please consult the authors
Deposited On: 04 Dec 2013 00:21
Last Modified: 28 May 2014 06:02

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