KCAT: A Knowledge-Constraint Typing Annotation Tool Sheng Lin author Luye Zheng author Bo Chen author Siliang Tang author Zhigang Chen author Guoping Hu author Yueting Zhuang author Fei Wu author Xiang Ren author 2019-07 text Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics: System Demonstrations Marta R Costa-jussà editor Enrique Alfonseca editor Association for Computational Linguistics Florence, Italy conference publication lin-etal-2019-kcat 10.18653/v1/P19-3017 https://aclanthology.org/P19-3017/ 2019-07 99 104