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Being the search term appearance trend analysis manner which analyzes the appearance tendency of the aforementioned search term
Being the search term appearance trend analysis manner which analyzes the appearance tendency of the aforementioned search term
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机译：作为分析上述检索词的出现趋势的检索词出现趋势分析方式
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摘要
PROBLEM TO BE SOLVED: To provide a retrieval term appearance trend analyzing device capable of accurately retrieving an audio document having a content desired by a user.;SOLUTION: A retrieval term appearance trend analyzing device comprises: a document retrieve section that retrieves N number of audio documents including M number of retrieval terms by using the M number of retrieval terms as an input; frame division means that divides the N number of audio documents retrieved into n number of analysis frames for each audio document; table extraction means that counts an appearance frequency of the M number of retrieval terms for each analysis frame, for each audio document, and that extracts the distribution (an appearance trend vector) of the appearance frequency of the retrieval terms for each analysis frame; average vector calculation means that calculates an average vector of the N number of appearance trend vectors extracted; and similarity calculation means that calculates similarity between the appearance trend vector and the average vector corresponding to each audio document, for each audio document.;COPYRIGHT: (C)2013,JPO&INPIT
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