| Truecasing clinical narratives. | |
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MedLine Citation:
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PMID: 21893817 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Truecasing, or capitalization, is the rewriting of each word of an input text with its proper case information. Many medical texts, especially those from legacy systems, are still written entirely in capitalized letters, hampering their readability. We present a pilot study that uses the World Wide Web as a corpus in order to support automatic truecasing. The texts under scrutiny were German-language pathology reports. By submitting token bigrams to the Google Web search engine we collected enough case information so that we achieved 81.3% accuracy for acronyms and 98.5% accuracy for normal words. This is all the more impressive as only half of the words used in this corpus existed in a standard medical dictionary due to the excessive use of ad-hoc single-word nominal compounds in German. Our system performed less satisfactory for spelling correction, and in three cases the proposed word substitutions altered the meaning of the input sentence. For the routine deployment of this method the dependency on a (black box) search engine must be overcome, for example by using cloud-based Web n-gram services. |
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Authors:
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Markus Kreuzthaler; Stefan Schulz |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Studies in health technology and informatics Volume: 169 ISSN: 0926-9630 ISO Abbreviation: Stud Health Technol Inform Publication Date: 2011 |
Date Detail:
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Created Date: 2011-09-06 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9214582 Medline TA: Stud Health Technol Inform Country: Netherlands |
Other Details:
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Languages: eng Pagination: 589-93 Citation Subset: T |
Affiliation:
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Institute for Medical Informatics, Statistics and Documentation, Medical University of Graz, Austria. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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