Language and Grammar Automatic processing of language requires the rules and exceptions of a lang. to be explained to the computer. Grammar defines a Language. It consists of a set of rules that allows us to parse and generate sentences in a language. Transformational grammar, Phrase structure grammar (Chomsky 1957) Lexical functional grammar(1982) Dependency grammar, Paninian grammar, tree adjoining grammar(Joshi1985) Phrase structure grammar focuses on derivation Dependency grammar, Paninian grammar, Lexical functional grammar focuses on relationships. Noam Chomsky proposed a hierarchy of formal grammars based on the level of complexity.
The generative grammar refers to general frame work introduced by Chomsky