Coupling Semi-Supervised Learning of Categories and Relations Andrew Carlson author Justin Betteridge author Estevam Rafael Hruschka Junior author Tom M Mitchell author 2009-06 text Proceedings of the NAACL HLT 2009 Workshop on Semi-supervised Learning for Natural Language Processing Qin Iris Wang editor Kevin Duh editor Dekang Lin editor Association for Computational Linguistics Boulder, Colorado conference publication carlson-etal-2009-coupling https://aclanthology.org/W09-2201/ 2009-06 1 9