A Cluster-based Approach for Improving Isotropy in Contextual Embedding Space Sara Rajaee author Mohammad Taher Pilehvar author 2021-08 text Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 2: Short Papers) Chengqing Zong editor Fei Xia editor Wenjie Li editor Roberto Navigli editor Association for Computational Linguistics Online conference publication rajaee-pilehvar-2021-cluster 10.18653/v1/2021.acl-short.73 https://aclanthology.org/2021.acl-short.73/ 2021-08 575 584