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Local association word extraction device, regional association word extraction method, and regional association word extraction program
Local association word extraction device, regional association word extraction method, and regional association word extraction program
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机译:局部关联词提取装置,区域关联词提取方法和区域关联词提取程序
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摘要
PROBLEM TO BE SOLVED: To extract field association terms with high accuracy by eliminating topic drift when retrieving information associated with field names.SOLUTION: In an apparatus 10 for extraction of field association terms, a place name adequacy determination unit 4 determines the adequacy of the language candidate equivalent to the field name included in each candidate about a group of candidates of the pair of a field name and a field association term, and eliminates the candidate of the pair determined inadequate. A place name score calculation unit 5 calculates a field name score of the field name in which the candidate of the pair determined inadequate is included in the candidate of the eliminated pair. A pair co-occurrence allusion score calculation unit 6 calculates a pair co-occurrence allusion score of each candidate about the group of the candidate of the pair in which the candidate determined inadequate is eliminated. A place name and field association term pair selection unit 7 selects the pair of the field name and the field association term, based on the field name score and the pair co-occurrence allusion score, from the group of the candidate of the pair in which the candidate of the inadequate pair is eliminated.
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