Patent Document ID: 7734461
Application ID: 11510728

Base Claim:
1. A speech dialogue service apparatus, comprising at least one processing device, the apparatus comprising: a language analysis unit comprising the at least one processing device tagging a part of speech (POS) of each respective word included in a sentence recorded in a predetermined text, syntactically analyzing the sentence by classifying a meaning of each respective word, and generating at least one semantic frame corresponding to the sentence according to a result of the syntactical analysis; and a dialogue management unit analyzing an intention of the sentence corresponding to each at least one semantic frame, and generating a system response corresponding to the sentence intention by selecting a predetermined sentence intention according to whether an action corresponding to the intention of the respective sentence can be performed, wherein the language analysis unit comprises: a POS tagging unit analyzing a morpheme of the sentence and tagging the POS of each respective word; a syntax analysis unit classifying each respective word for each meaning and parsing the sentence into at least one phrase; and a frame analysis unit classifying each respective phrase into a theme, a parameter, and an action, and generating at least one semantic frame corresponding to the sentence, wherein the dialogue management unit comprises: a context information unit restoring the sentence by converting a respective phrase of the at least one semantic frame into a valid phrase or a default value, by analogizing a phrase determined to be omitted from the sentence with reference to previous utterance contents of a user; and a user intention analysis unit generating at least one action list by analyzing an intention of the user according to the restored sentence and selecting a predetermined action by determining whether a respective action can be performed.

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Claim 5:
5. The apparatus of claim 1 , further comprising a context model database storing arguments corresponding to at least one phrase, and a sub-dialogue that is a combination of the arguments according to the previous utterance contents of the user in response to a respective user, wherein the user intention analysis unit extracts the argument corresponding to the respective phrase included in the sentence with reference to the context model database and analyzes the intention of the user according to the sentence with reference to the sub-dialogue associated with the extracted argument.