Wouter  Van Atteveldt, Sheafer, Tamir , Shenhav, Shaul R. , and Fogel-Dror, Yair . 2017. ?Clause Analysis: Using Syntactic Information To Automatically Extract Source, Subject, And Predicate From Texts With An Application To The 2008&Ndash;2009 Gaza War?. Political Analysis, 25. https://www.cambridge.org/core/journals/political-analysis/article/clause-analysis-using-syntactic-information-to-automatically-extract-source-subject-and-predicate-from-texts-with-an-application-to-the-20082009-gaza-war/164AE1B0128828847CF33EDFF5F019E6.