EMSE at TREC 2015 Clinical Decision Support Track

Abstract

International audienceThis paper describes the participation of the EMSE team atthe clinical decision support track of TREC 2015 (Task A). Our teamsubmitted three automatic runs based only on the summary field. Thebaseline run uses the summary field as a query and the query likelihoodretrieval model to match articles. Other runs explore different approachesto expand the summary field: RM3, LSI with pseudo relevant documents,semantic ressources of UMLS, and a hybrid approach called SMERA thatcombines LSI and UMLS based approaches. Only three of our runs wereconsidered for the 2015 campaign: RM3, LSI and SMERA