Patent ID: 7742924

Claim:
A dialog system, comprising: a word/phrase database that associates a set of one or more words/phrases that are represented according to one or more modalities of a written representation, a voice recognition grammar, or a pronunciation for voice synthesis, with a concept identifier (ID) for identifying a meaning of the word/phrases in the set of words/phrases; a dialog template storage section storing a dialog template written by using the concept ID for identifying a meaning of input words/phrases in input information and output information for a pursuit of a dialog, said dialog templates specifying fixed portions of output information to be output and changeable portions specified by the concept ID for identifying the meaning of the input words/phrases in the input information, in association with information for identifying the template; an analyzing section analyzing the input information, including determining a type of modality of the input information, and selecting from the word/phrase database a concept ID as a meaning of the input words/phrase in the input information based upon the type of the modality and a match with a word/phrase in a set of the words/phrases associated with the concept ID; and an information output section inserting in the dialog template the selected concept ID corresponding to the changeable portions of the dialog template, and outputting the output information along the dialog template.