Long-tail Relation Extraction via Knowledge Graph Embeddings and Graph Convolution Networks Ningyu Zhang author Shumin Deng author Zhanlin Sun author Guanying Wang author Xi Chen author Wei Zhang author Huajun Chen author 2019-06 text Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, Volume 1 (Long and Short Papers) Jill Burstein editor Christy Doran editor Thamar Solorio editor Association for Computational Linguistics Minneapolis, Minnesota conference publication zhang-etal-2019-long 10.18653/v1/N19-1306 https://aclanthology.org/N19-1306/ 2019-06 3016 3025