A Global Joint Model for Semantic Role Labeling Kristina Toutanova author Aria Haghighi author Christopher D Manning author 2008 text journal article Computational Linguistics continuing periodical academic journal toutanova-etal-2008-global 10.1162/coli.2008.34.2.161 https://aclanthology.org/J08-2002/ 2008 34 2 161 191