SRDF: Extracting Lexical Knowledge Graph for Preserving Sentence Meaning Sangha Nam author GyuHyeon Choi author Younggyun Hahm author Key-Sun Choi author 2016-12 text Proceedings of the Open Knowledge Base and Question Answering Workshop (OKBQA 2016) Key-Sun Choi editor Christina Unger editor Piek Vossen editor Jin-Dong Kim editor Noriko Kando editor Axel-Cyrille Ngonga Ngomo editor The COLING 2016 Organizing Committee Osaka, Japan conference publication nam-etal-2016-srdf https://aclanthology.org/W16-4411/ 2016-12 77 81