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This paper present the details of participation of DEMIR (Dokuz Eylul University Multimedia Information Retrieval) research team to TREC 2011 Medical Records track. In this study, our aim is to index and retrieve medical terms and term phrases in medical text archives. We searched medical terms and term phrases with using UMLS which is a metathesaurus about medical. We evaluated the effects of terms and term phrases on retrieval system in TREC 2011 Medical Records track, considering terms and term phrases as medical entities. We improved results by examination of different weighting schemes for retrieved data. |
