In-domain Relation Discovery with Meta-constraints via Posterior Regularization Harr Chen author Edward Benson author Tahira Naseem author Regina Barzilay author 2011-06 text Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies Dekang Lin editor Yuji Matsumoto editor Rada Mihalcea editor Association for Computational Linguistics Portland, Oregon, USA conference publication chen-etal-2011-domain https://aclanthology.org/P11-1054/ 2011-06 530 540