ARNOR: Attention Regularization based Noise Reduction for Distant Supervision Relation Classification Wei Jia author Dai Dai author Xinyan Xiao author Hua Wu author 2019-07 text Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics Anna Korhonen editor David Traum editor Lluís Màrquez editor Association for Computational Linguistics Florence, Italy conference publication jia-etal-2019-arnor 10.18653/v1/P19-1135 https://aclanthology.org/P19-1135/ 2019-07 1399 1408