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1
Identifying Smokers with a Medical Extraction System
Clark, Cheryl; Good, Kathleen; Jezierny, Lesley; Macpherson, Melissa; Wilson, Brian; Chajewska, Urszula. - : American Medical Informatics Association, 2008
Abstract: The Clinical Language Understanding group at Nuance Communications has developed a medical information extraction system that combines a rule-based extraction engine with machine learning algorithms to identify and categorize references to patient smoking in clinical reports. The extraction engine identifies smoking references; documents that contain no smoking references are classified as UNKNOWN. For the remaining documents, the extraction engine uses linguistic analysis to associate features such as status and time to smoking mentions. Machine learning is used to classify the documents based on these features. This approach shows overall accuracy in the 90s on all data sets used. Classification using engine-generated and word-based features outperforms classification using only word-based features for all data sets, although the difference gets smaller as the data set size increases. These techniques could be applied to identify other risk factors, such as drug and alcohol use, or a family history of a disease.
Keyword: Case Report
URL: http://www.ncbi.nlm.nih.gov/pubmed/17947619
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2274874
https://doi.org/10.1197/jamia.M2442
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2
Lexical semantics and knowledge representation : first SIGLEX Workshop, Berkeley, CA, USA, June 17, 1991 ; proceedings
Gerstl, Peter (Mitarb.); Anick, Peter (Mitarb.); Onyshkevych, Boyan A. (Mitarb.). - Berlin [u.a.] : Springer, 1992
BLLDB
UB Frankfurt Linguistik
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3
Event-building through role-filling and anaphora resolution
In: Association for Computational Linguistics. Proceedings of the conference. - Stroudsburg, Penn. : ACL 29 (1991), 17-24
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