Effective Feature Integration for Automated Short Answer Scoring Keisuke Sakaguchi author Michael Heilman author Nitin Madnani 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 sakaguchi-etal-2015-effective 10.3115/v1/N15-1111 https://aclanthology.org/N15-1111/ 2015-may–jun 1049 1054