NNE: A Dataset for Nested Named Entity Recognition in English Newswire Nicky Ringland author Xiang Dai author Ben Hachey author Sarvnaz Karimi author Cecile Paris author James R Curran author 2019-07 text Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics Anna Korhonen editor David Traum editor Lluís Màrquez editor Association for Computational Linguistics Florence, Italy conference publication ringland-etal-2019-nne 10.18653/v1/P19-1510 https://aclanthology.org/P19-1510/ 2019-07 5176 5181