Callaghan F, Jackson MT, Demner-Fushman D, Abhyankar S, McDonald C.Analysis of data that has been extracted from free-text using natural language processing: a likelihood model for misclassification with an application to medical informatics. International Conference on Advances in Interdisciplinary Statistics and Combinatorics (AISC2012), Greensboro, NC, October 2012
Callaghan F, Jackson MT, Demner-Fushman D, Abhyankar S, McDonald CJ.NLP-derived information improves the estimates of risk of disease compared to estimates based on manually extracted data alone. 5th International Symposium on Semantic Mining in Biomedicine (SMBM 2012), 2012 Sept 3-4, Zurich, Switzerland.
Wang Y, Halper M, Wei D, Gu H, Perl Y, Xu J, Elhanan G, Chen Y, Spackman KA, Case JT, Hripcsak G.Auditing complex concepts of SNOMED using a refined hierarchical abstraction network. J Biomed Inform. 2012 Feb;45(1):1-14. doi: 10.1016/j.jbi.2011.08.016. Epub 2011 Sep 1.
Abhyankar S, Callaghan FM, Demner-Fushman D, McDonald CJ.Using informatics tools to study obesity and outcomes after critical illness. NLM Informatics Training Conference 2011, National Institutes of Health (NIH) Campus, Natcher Conference Center, Bethesda, MD, June 28-30, 2011.
Fung KW, McDonald C, Srinivasan S.The UMLS-CORE project: a study of the problem list terminologies used in large healthcare institutions. J Am Med Inform Assoc. 2010 Nov-Dec;17(6):675-80. doi: 10.1136/jamia.2010.007047.