• Bmc Bioinformatics · Mar 2011

    Word sense disambiguation for event trigger word detection in biomedicine.

    • David Martinez and Timothy Baldwin.
    • NICTA VRL, The University of Melbourne, VIC 3010, Australia. david.martinez@nicta.com.au
    • Bmc Bioinformatics. 2011 Mar 29; 12 Suppl 2: S4.

    AbstractThis paper describes a method for detecting event trigger words in biomedical text based on a word sense disambiguation (WSD) approach. We first investigate the applicability of existing WSD techniques to trigger word disambiguation in the BioNLP 2009 shared task data, and find that we are able to outperform a traditional CRF-based approach for certain word types. On the basis of this finding, we combine the WSD approach with the CRF, and obtain significant improvements over the standalone CRF, gaining particularly in recall.

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