Optimizing Multivariate Performance Measures for Learning Relation Extraction Models Gholamreza Haffari author Ajay Nagesh author Ganesh Ramakrishnan author 2015-may–jun text Proceedings of the 2015 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies Rada Mihalcea editor Joyce Chai editor Anoop Sarkar editor Association for Computational Linguistics Denver, Colorado conference publication haffari-etal-2015-optimizing 10.3115/v1/N15-1090 https://aclanthology.org/N15-1090/ 2015-may–jun 892 900