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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
대한의료정보학회 Healthcare Informatics Research Healthcare Informatics Research 제21권 제1호
발행연도
2015.1
수록면
35 - 42 (8page)

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Objectives: Although acronyms and abbreviations in clinical text are used widely on a daily basis, relatively little researchhas focused upon word sense disambiguation (WSD) of acronyms and abbreviations in the healthcare domain. Since clinicalnotes have distinctive characteristics, it is unclear whether techniques effective for acronym and abbreviation WSD frombiomedical literature are sufficient. Methods: The authors discuss feature selection for automated techniques and challengeswith WSD of acronyms and abbreviations in the clinical domain. Results: There are significant challenges associated withthe informal nature of clinical text, such as typographical errors and incomplete sentences; difficulty with insufficient clinicalresources, such as clinical sense inventories; and obstacles with privacy and security for conducting research with clinicaltext. Although we anticipated that using sophisticated techniques, such as biomedical terminologies, semantic types, partof-speech, and language modeling, would be needed for feature selection with automated machine learning approaches, wefound instead that simple techniques, such as bag-of-words, were quite effective in many cases. Factors, such as majoritysense prevalence and the degree of separateness between sense meanings, were also important considerations. Conclusions:The first lesson is that a comprehensive understanding of the unique characteristics of clinical text is important for automaticacronym and abbreviation WSD. The second lesson learned is that investigators may find that using simple approaches is aneffective starting point for these tasks. Finally, similar to other WSD tasks, an understanding of baseline majority sense ratesand separateness between senses is important. Further studies and practical solutions are needed to better address these issues.

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