1. An apparatus for automatically generating grammar for use in the processing of natural language, the apparatus comprising: a setting processor configured to set one domain as a target domain to be processed by an intention analysis system; a first extractor configured to extract a corpus relevant to the target domain from a collection of corpora and divide the corpus into sentences and tag the sentences; a classification unit configured to classify the extracted corpus into a domain action among one or more domain actions that correspond to the target domain; a class converter configured to convert one or more words included in the extracted corpus into classes; and a generator configured to generate a grammar based on the converted classes of the extracted corpus wherein one or more ungrammatical words or sentences are removed from the corpus.
1. An apparatus for automatically generating grammar for use in the processing of natural language, the apparatus comprising: a setting processor configured to set one domain as a target domain to be processed by an intention analysis system; a first extractor configured to extract a corpus relevant to the target domain from a collection of corpora and divide the corpus into sentences and tag the sentences; a classification unit configured to classify the extracted corpus into a domain action among one or more domain actions that correspond to the target domain; a class converter configured to convert one or more words included in the extracted corpus into classes; and a generator configured to generate a grammar based on the converted classes of the extracted corpus wherein one or more ungrammatical words or sentences are removed from the corpus. 6. The apparatus of claim 1 , wherein the collection of corpora include text corpus that is collected from one or more of novels, magazines, dictionaries, and text available on the World Wide Web, and the collection of corpora further includes speech corpus that is collected from one or more of conversations, interviews, and speeches.