WAT-SL: A Customizable Web Annotation Tool for Segment Labeling Johannes Kiesel author Henning Wachsmuth author Khalid Al-Khatib author Benno Stein author 2017-04 text Proceedings of the Software Demonstrations of the 15th Conference of the European Chapter of the Association for Computational Linguistics André Martins editor Anselmo Peñas editor Association for Computational Linguistics Valencia, Spain conference publication kiesel-etal-2017-wat https://aclanthology.org/E17-3004/ 2017-04 13 16