A Practice of Tourism Knowledge Graph Construction based on Heterogeneous Information Dinghe Xiao author Nannan Wang author Jiangang Yu author Chunhong Zhang author Jiaqi Wu author 2020-10 text eng Proceedings of the 19th Chinese National Conference on Computational Linguistics Maosong Sun editor Sujian Li editor Yue Zhang editor Yang Liu editor Chinese Information Processing Society of China Haikou, China conference publication xiao-etal-2020-practice https://aclanthology.org/2020.ccl-1.87/ 2020-10 939 949