... of abstraction. We apply the sametypes of models to all, in order to discover anycommon properties of perspective classification.We contrast it with text categorization and withopinion classification ... wars and conflicts, educa-tion, trade relations in and between countries likeLebanon, Jordan, Iraq, Egypt, Yemen, Morocco,Saudi Arabia, as well as their relations with theUS and members of the ... related tasks of movie review and political party classification.We use SVMlight(Joachims, 1999) for SVM andWEKA toolkit (Witten and Frank, 2005; Hall etal., 2009) for both version of Naive...