Welcome!
I am a Ph.D. student at Department of Biomedical Infomratics at Columbia University. My research area is natural language processing (NLP) and text mining of biomedical text.

Research Interests

  • NLP of clinical notes
  • Text mining of biomedical literature
  • Healthcare data mining
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    Selected Publications
    1. Xu H, Stetson P, Friedman C. A Study of Abbreviations in Clinical Notes. (In Press) AMIA Annu Symp Proc. 2007.

    2. Xu H, Fan JW, Hripcsak G, Mendonca EA, Markatou M, Friedman C. Gene symbol disambiguation using knowledge-based profiles. Bioinformatics, 2007 23(8):1015-1022.

    3. Xu H, Jung-Wei Fan, Friedman C. Combine multiple evidence for gene symbol disambiguation. ACL 2007, BioNLP Workshop, p41-48.

    4. Xu H, Markatou M, Dimova R, Liu H, Friedman C. Machine learning and word sense disambiguation in the biomedical domain: design and evaluation issues. BMC Bioinformatics. 2006; 7:334.

    5. Xu, H, Anderson, K, Grann, V, Friedman, C. Facilitating Cancer Research using Natural Language Processing of Pathology Reports. In Proceedings of Medinfo. 2004:565-72.

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