1. Agirre, E., Bos, J., Diab, M., Manandhar, S., Marton, Y., Yuret, D.: * SEM 2012: The First Joint Conference on Lexical and Computational Semantics-Volume 1: Proceedings of the Main Conference and the Shared Task, and Volume 2: Proceedings of the Sixth International Workshop on Semantic Evaluation (SemEval 2012) (2012)
2. Mutalik, P.G., Deshpande, A., Nadkarni, P.M.: Use of general-purpose negation detection to augment concept indexing of medical documents: a quantitative study using the UMLS. J. Am. Med. Inform. Assoc. 8(6), 598–609 (2001)
3. Chapman, W.W., Bridewell, W., Hanbury, P., Cooper, G.F., Buchanan, B.G.: A simple algorithm for identifying negated findings and diseases in discharge summaries. J. Biomed. Inform. 34(5), 301–310 (2001)
4. Huang, Y., Lowe, H.J.: A novel hybrid approach to automated negation detection in clinical radiology reports. J. Am. Med. Inform. Assoc. 14(3), 304–311 (2007)
5. Peng, Y., Wang, X., Lu, L., Bagheri, M., Summers, R., Lu, Z.: NegBio: a high-performance tool for negation and uncertainty detection in radiology reports. In: AMIA Summits on Translational Science Proceedings, p. 188 (2018)