| 摘要 |
PROBLEM TO BE SOLVED: To display a content expected that a download time is short, different from a designated content only when it is expected that a download time of the designated content is long. SOLUTION: In time of download requirement of the content (hereinafter called a designation content) designated by a user, the download time of the designation content is acquired from a statistical information management part managing statistical information about the download time of the designation content, and is compared with a predetermined upper limit download time. Only when exceeding the upper limit download time, position information on a network about one content (hereinafter called an alternative content) different from the designation content is selected from an alternative content position information management part managing the position information on the network about the alternative content, and download requirement of the alternative content is performed simultaneously with the download requirement of the designation content. COPYRIGHT: (C)2006,JPO&NCIPI
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