This book presents the first ever rule-based part of speech tagging for Pashto language. In natural language processing, part-of-speech tagging plays a vital role. It is a significant pre-requisite for putting a human language on the engineering track. Before developing a part-of-speech tagger, a tagset is required for that language. Initially, a tagset is created according to syntactical properties that contains 54 tags for Pashto language. A simple architecture is proposed for Pashto part of speech tagger. The architecture contains a tokenizer, a lexicon and rules for disambiguation and new...