Disambiguation of Period Characters in Clinical Narratives
نویسندگان
چکیده
The period character’s meaning is highly ambiguous due to the frequency of abbreviations that require to be followed by a period. We have developed a hybrid method for period character disambiguation and the identification of abbreviations, combining rules that explore regularities in the right context of the period with lexicon-based, statistical methods which scrutinize the preceding token. The texts under scrutiny are clinical discharge summaries. Both abbreviation detection and sentence delimitation showed an accuracy of about 93%. An error analysis demonstrated potential for further improvements.
منابع مشابه
Unsupervised Abbreviation Detection in Clinical Narratives
Clinical narratives in electronic health record systems are a rich resource of patient-based information. They constitute an ongoing challenge for natural language processing, due to their high compactness and abundance of short forms. German medical texts exhibit numerous ad-hoc abbreviations that terminate with a period character. The disambiguation of period characters is therefore an import...
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