KACC: A Multi-task Benchmark for Knowledge Abstraction, Concretization and Completion Jie Zhou author Shengding Hu author Xin Lv author Cheng Yang author Zhiyuan Liu author Wei Xu author Jie Jiang author Juanzi Li author Maosong Sun author 2021-08 text Findings of the Association for Computational Linguistics: ACL-IJCNLP 2021 Chengqing Zong editor Fei Xia editor Wenjie Li editor Roberto Navigli editor Association for Computational Linguistics Online conference publication zhou-etal-2021-kacc 10.18653/v1/2021.findings-acl.153 https://aclanthology.org/2021.findings-acl.153/ 2021-08 1751 1763