Chapman WW, Nadkarni PM, Hirschman L, D'Avolio LW, Savova GK, Uzuner Ö.
Overcoming barriers to NLP for clinical text: the role of shared tasks and the need for additional creative solutions [Internet]. Journal of the American Medical Informatics Association 2011;18(5):540-543.
https://doi.org/10.1136/amiajnl-2011-000465 Uzuner Ö, South BR, Shen S, DuVall SL.
2010 i2b2/VA challenge on concepts, assertions, and relations in clinical text [Internet]. Journal of the American Medical Informatics Association 2011;18(5):552-556.
https://doi.org/10.1136/amiajnl-2011-000203 Clark C, Aberdeen J, Coarr M, Tresner-Kirsch D, Wellner B, Yeh A, Hirschman L.
MITRE system for clinical assertion status classification [Internet]. Journal of the American Medical Informatics Association 2011;18(5):563-567.
https://doi.org/10.1136/amiajnl-2011-000164 Minard A-L, Ligozat A-L, Abacha AB, Bernhard D, Cartoni B, Deléger L, Grau B, Rosset S, Zweigenbaum P, Grouin C.
Hybrid methods for improving information access in clinical documents: concept, assertion, and relation identification [Internet]. Journal of the American Medical Informatics Association 2011;18(5):588-593.
https://doi.org/10.1136/amiajnl-2011-000154 Rink B, Harabagiu S, Roberts K.
Automatic extraction of relations between medical concepts in clinical texts [Internet]. Journal of the American Medical Informatics Association 2011;18(5):594-600.
https://doi.org/10.1136/amiajnl-2011-000153