... Tasks forArabicWe define the task of morphological tagging as choosing an inflectional morphological tag (inthis paper, the term “morphological tagging neverrefers to derivational morphology). ... this paper, we investigatethree variants of the morphological tagging tasks:MorphPOS (determining the feature POS, which isthe core part-of-speech – verb, noun, adjective, etc.);MorphPart (determining ... 100,000 pos-sible tags.1Because of the large number of tags, itis clear that morphological tagging cannot be con-strued as a simple classification task. Hajiˇc (2000)is the first to use...