| 摘要 |
<P>PROBLEM TO BE SOLVED: To easily search for a totalization result of information on images or the like when information on an image set for a posted sentence is stored as a value in a database of a key value type. <P>SOLUTION: A first database of a key value type, each time receiving posted information whose elements include a specific kind of information, associates the elements of the posted information with plural search keys respectively, and stores it. Then, the specific kind of information is collected among elements of posted information managed by the first database, and the collected specific kind of information or a totalization result of the specific kind of information is stored in a second database of a non-key value type. Then, information stored in the second database is transmitted to an external device in response to a request from the external device. <P>COPYRIGHT: (C)2012,JPO&INPIT |
