Amjad Abu-Jbara author Pradeep Dasigi author Mona Diab author Dragomir Radev 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 abu-jbara-etal-2012-subgroup https://aclanthology.org/P12-1042/ 2012-07 399 409