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Chat extraction system, method, and program for extracting chat part from conversation
Chat extraction system, method, and program for extracting chat part from conversation
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机译:用于从对话中提取聊天部分的聊天提取系统,方法和程序
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摘要
A system and method extract off-topic parts from a conversation. The system includes a first corpus including documents of a plurality of fields; a second corpus including only documents of a field to which the conversation belongs; a determination means for determination as a lower limit subject word a word for which IDF value for the first corpus and IDF value for the second corpus are each below a first certain threshold value; a score calculation part for calculation as a score a TF-IDF value for each word included in the second corpus; a clipping part, for sequential cutting out of intervals from text data that are contents of the conversation; and an extraction part for extraction as an off-topic part an interval where average value of the score of words included in the clipped interval is larger than a second certain threshold value.
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