... Sentiment Analysis of Modern Standard ArabicMuhammad Abdul-MageedDepartment of Linguistics &School of Library & Info. Science,Indiana University,Bloomington, USA,mabdulma@indiana.eduMona ... ComputationalLearning Systems, Columbia University, NYC, USA,mdiab@ccls.columbia.eduMohammed KorayemSchool of Informaticsand Computing,Indiana University,Bloomington, USA,mkorayem@indiana.eduAbstractAlthough ... native speakers of Arabic annotated 2855 sentences from Part1 V 3.0 of the PATB. The sentences make upthe first 400 documents of that part of PATBamounting to a total of 54.5% of the PATBPart...