Naomi Zeichner author Jonathan Berant author Ido Dagan author 2012-07 text Haizhou Li editor Chin-Yew Lin editor Miles Osborne editor Gary Geunbae Lee editor Jong C Park editor Association for Computational Linguistics Jeju Island, Korea conference publication zeichner-etal-2012-crowdsourcing https://aclanthology.org/P12-2031/ 2012-07 156 160