| 摘要 |
PURPOSE: To provide the conversation processor which can detect whether or not the subject is changed almost in real time without a discrimination between an object oriented type and a free expansion type. CONSTITUTION: The conversation processor 1 makes a speech of a speaker into a text by the text input device 19 of a conversation input part 3, and converts the text into a list of parts of speech of words by using the word dictionary 21 of a morpheme analysis part 5, a subject candidate word extraction part 9 extracts subject candidate words from the word part-of-speech list, and an analytic information statistical processing part 11 performs statistical processing for the obtained word part-of-speech list and subject candidate word list; and a subject change contribution index arithmetic part 13 for words finds the change contribution index of the subject candidate words, a subject change factor extraction part 7 extracts subject change factors, and a subject change evaluation part 15 evaluates the obtained information to detect whether or not the subject is changed 25. |
