Multi-Perspective Question Answering Using the OpQA Corpus Veselin Stoyanov author Claire Cardie author Janyce Wiebe author 2005-10 text Proceedings of Human Language Technology Conference and Conference on Empirical Methods in Natural Language Processing Raymond Mooney editor Chris Brew editor Lee-Feng Chien editor Katrin Kirchhoff editor Association for Computational Linguistics Vancouver, British Columbia, Canada conference publication stoyanov-etal-2005-multi https://aclanthology.org/H05-1116/ 2005-10 923 930