Marco Guerini author Carlo Strapparava author Oliviero Stock 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 guerini-etal-2012-ecological https://aclanthology.org/P12-1104/ 2012-07 988 996