Improving classification of medical assertions in clinical notes

ACL-HLT 2011 - Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies

Volumn 2, Issue , 2011, Pages 311-316

  Kim, Youngjun ^a   Riloff, Ellen ^a   Meystre, Stéphane M ^b  

^a University of Utah   (United States)

^b UNIVERSITY OF UTAH SCHOOL OF MEDICINE   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CONTEXTUAL FEATURE; DATA SETS; LINGUISTIC FEATURES; NLP SYSTEMS; UNBALANCED DISTRIBUTION;

COMPUTATIONAL LINGUISTICS;

CLASSIFICATION (OF INFORMATION);

EID: 84859062763     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (15)

1. Apache UIMA 2008. Available at http://uima.apache.org.
2. Jason Baldridge, Tom Morton, and Gann Bierner. 2005. OpenNLP Maxent Package in Java, Available at: http://incubator.apache.org/opennlp/.
3. Berry de Bruijn, Colin Cherry, Svetlana Kiritchenko, Joel Martin, and Xiaodan Zhu. 2011. Machine-Learned Solutions for Three Stages of Clinical Information Extraction: the State of the Art at i2b2 2010. J Am Med Inform Assoc.
4. Chih-Chung Chang and Chih-Jen Lin, LIBSVM: a Library for Support Vector Machines, 2001. Available at http://www.csie.ntu.edu.tw/~cjlin/libsvm.
5. Wendy W. Chapman, Will Bridewell, Paul Hanbury, Gregory F. Cooper, and Bruce G. Buchanan. 2001. A Simple Algorithm for Identifying Negated Findings and Diseases in Discharge Summaries. Journal of Biomedical Informatics, 34:301-310. (Pubitemid 34694864)
6. Wendy W. Chapman, David Chu, and John N. Dowling. 2007. ConText: An Algorithm for Identifying Contextual Features from Clinical Text. BioNLP 2007: Biological, translational, and clinical language processing, Prague, CZ.
7. David Ferrucci and Adam Lally. 2004. UIMA: An Architectural Approach to Unstructured Information Processing in the Corporate Research Environment. Journal of Natural Language Engineering, 10(3-4): 327-348.
8. Tzu-Kuo Huang, Ruby C. Weng, and Chih-Jen Lin. 2006. Generalized Bradley-Terry Models and Multiclass Probability Estimates. Journal of Machine Learning Research, 7:85-115. (Pubitemid 43100917)
9. i2b2/VA 2010 Challenge Assertion Annotation Guidelines. https://www.i2b2.org/NLP/Relations/assets/Assertion%20Annotation%20Guideline. pdf.
10. LVG (Lexical Variants Generation). 2010. Available at: http://lexsrv2.nlm.nih.gov/LexSysGroup/Projects/lvg.
11. Alexa T. McCray, Suresh Srinivasan, and Allen C. Browne. 1994. Lexical Methods for Managing Variation in Biomedical Terminologies. Proc Annu Symp Comput Appl Med Care.:235-239.
12. Stéphane M. Meystre and Peter J. Haug. 2005. Automation of a Problem List Using Natural Language Processing. BMC Med Inform Decis Mak, 5:30.
13. Guergana K. Savova, James J. Masanz, Philip V. Ogren, Jiaping Zheng, Sunghwan Sohn, Karin C. Kipper-Schuler, and Christopher G. Chute. 2010. Mayo clinical Text Analysis and Knowledge Extraction System (cTAKES): architecture, component evaluation and applications. J Am Med Inform Assoc., 17(5):507-513.
14. Özlem Uzuner and Scott DuVall. 2010. Fourth i2b2/VA Challenge. In http://www.i2b2.org/NLP/Relations/.
15. Özlem Uzuner, Xiaoran Zhang, and Sibanda Tawanda. 2009. Machine Learning and Rule-based Approaches to Assertion Classification. J Am Med Inform Assoc., 16:109-115.