000002523 001__ 2523 000002523 005__ 20250424232737.0 000002523 0247_ $$2DOI$$a10.6083/M4DJ5CXM 000002523 037__ $$aETD 000002523 245__ $$aUsing phrases generated by a shallow syntactic parser to match UMLS metathesaurus concepts in a radiology test collection 000002523 260__ $$bOregon Health and Science University 000002523 269__ $$a2001 000002523 336__ $$aThesis 000002523 502__ $$bM.S. 000002523 520__ $$aText forms a significant part of the medical record. Being able to map text to concepts in a controlled medical vocabulary can be useful for teaching, patient care, and research. Natural Language Processing systems have figured prominently in attempts to process medical text, particularly radiology dictations. Chart Engine, an existing system for mapping radiology text to Unified Medical Language System Metathesaurus concepts, currently uses barrier words to select candidate noun phrases for mapping. In this thesis, Chart Engine was equipped with a syntactic parser as a preliminary processing step that would then supply candidate noun phrases instead of the phrases supplied by the list of barrier words. Several different types of noun phrases were tested. 000002523 540__ $$fCC BY 000002523 542__ $$fIn copyright - single owner 000002523 650__ $$aUnified Medical Language System$$029962 000002523 650__ $$aMedical Informatics$$021938 000002523 650__ $$aRadiology$$025109 000002523 650__ $$aNatural Language Processing$$022716 000002523 650__ $$aMedical Records$$021947 000002523 650__ $$aVocabulary, Controlled$$031160 000002523 691__ $$aSchool of Medicine$$041369 000002523 692__ $$aDivision of Medical Informatics and Outcomes Research$$041423 000002523 7001_ $$aMailhot, Mark$$uOregon Health and Science University$$041354 000002523 7201_ $$aHersh, William$$uOregon Health and Science University$$041354$$7Personal$$eAdvisor 000002523 8564_ $$92a1abc69-1091-4a5b-92c2-c8eb217d9c38$$s3714881$$uhttps://digitalcollections.ohsu.edu/record/2523/files/3264_etd.pdf$$ePublic$$200441bfd07b49064c7f86f9b83a89cd7$$31 000002523 905__ $$a/rest/prod/5m/60/qs/03/5m60qs037 000002523 909CO $$ooai:digitalcollections.ohsu.edu:2523$$pstudent-work 000002523 980__ $$aBiomedical Informatics