Spinning Straw into Gold: Using Free Text to Train Monolingual Alignment Models for Non-factoid Question Answering Rebecca Sharp author Peter Jansen author Mihai Surdeanu author Peter Clark 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 sharp-etal-2015-spinning 10.3115/v1/N15-1025 https://aclanthology.org/N15-1025/ 2015-may–jun 231 237