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INFORMATION EXTRACTION METHOD, INFORMATION EXTRACTION DEVICE, INFORMATION EXTRACTION PROGRAM, AND INFORMATION EXTRACTION SYSTEM
INFORMATION EXTRACTION METHOD, INFORMATION EXTRACTION DEVICE, INFORMATION EXTRACTION PROGRAM, AND INFORMATION EXTRACTION SYSTEM
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机译：信息提取方法，信息提取设备，信息提取程序和信息提取系统
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摘要
PROBLEM TO BE SOLVED: To reduce an amount of memory to be used.;SOLUTION: In an information extraction device 50, a management unit 53 makes a storage unit 54 store an extraction completion flag indicating information data already extracted by an extraction unit 52 as a duplicate extraction prevention flag during a time when the amount of extraction of information data extracted by the extraction unit 52 is less than a threshold value. When the amount of extraction becomes the threshold value or more, the management unit 53 makes the storage unit 54 store an un-extracted flag indicating information data un-extracted by the extraction unit 52 as the duplicate extraction prevention flag instead of the extraction completion flag. In other words, the management unit 53 changes a holding form of the "duplicate extraction prevention flag" from the extraction completion flag to the un-extracted flag when the amount of extraction of already extracted information data exceeds the threshold value.;COPYRIGHT: (C)2016,JPO&INPIT
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