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A dialog act is a specialized speech act. For example, ''Question'' is a speech act, but ''Question_on_hotel'' is a dialog act. Dialog acts are different in different dialog systems. The number of speech acts are commonly recognized, and is stable around 10 or so, the number of dialog acts vary from systems to systems. In some systems,〔 〕 the number of dialog acts can be up to 40. The research on dialog acts have increased since 1999, after spoken dialog systems became commercial reality. ==List of dialog acts== * Generic (speech acts) * *greetings * *Meta Question: "What can I say?" * *Yes-No Question * *Statement * *Request * *Wh-Question * Domain specific 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Dialog act」の詳細全文を読む スポンサード リンク
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