| 摘要 |
PURPOSE:To enable more natural conversation by storing the user's focus (aimed body) in the interactive processing and the transition of the focus as a focus frame, and referring to them for subsequent context analysis. CONSTITUTION:A natural language interpreting means 2 interprets the meaning of an input sentence from a user and a command generating means 3 generates commands to be sent to an information offering system according to the mean ing of the input sentence obtained by the natural language interpreting means 2. A topic control means 4 extracts the user's aimed body from the information of the information offering means 1 corresponding to a command from the command generating means 3, and controls and stores it in an aimed body storage means 5; and it is referred to for the context analysis of a subsequent input by the natural language interpreting means 2 to facilitate the context analysis, thereby decreasing errors in the interpretation.
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