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Home › Information retrieval system, an information retrieval method, a program for executing information retrieval, and a storage medium wherein a program for executing information retrieval is stored

Information retrieval system, an information retrieval method, a program for executing information retrieval, and a storage medium wherein a program for executing information retrieval is stored

US Patent 6965898 · Granted Nov 15, 2005

Estimated economic value: $8,461,000 ⓘ

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