A Coherent Scrutinization on Syntactic Categories for Tagging Tamil Lexicon

The arrangement of words based on rules is termed as Syntax. Natural languages have their renowned syntactic rules that demonstrate their latent features. It is attributed in a form of free word order and some have conditions on the word order arrangement. As a consequence, the smallest unit in a sentence called word or lexicon has its unique function which determines the nature of the sentence. The categorized groups of functionalities of the words are termed as syntactic categories. The syntactic categories are also termed as Parts of Speech. Numerous NLP application benefits from this syntactic information, but for morphological rich languages like Tamil, the problem of tagging the every word in a particular part of speech remain a exigent task. This paper reports about the various approaches used for developing POS tagging and the developed POS taggers particularly for the Tamil language is discussed.