Constructing Evaluation Corpora for Automated Clinical Named Entity Recognition Philip Ogren author Guergana Savova author Christopher Chute author 2008-05 text Proceedings of the Sixth International Conference on Language Resources and Evaluation (LREC’08) Nicoletta Calzolari editor Khalid Choukri editor Bente Maegaard editor Joseph Mariani editor Jan Odijk editor Stelios Piperidis editor Daniel Tapias editor European Language Resources Association (ELRA) Marrakech, Morocco conference publication ogren-etal-2008-constructing https://aclanthology.org/L08-1366/ 2008-05