F-Score Driven Max Margin Neural Network for Named Entity Recognition in Chinese Social Media Hangfeng He author Xu Sun author 2017-04 text Proceedings of the 15th Conference of the European Chapter of the Association for Computational Linguistics: Volume 2, Short Papers Mirella Lapata editor Phil Blunsom editor Alexander Koller editor Association for Computational Linguistics Valencia, Spain conference publication he-sun-2017-f https://aclanthology.org/E17-2113/ 2017-04 713 718