| 摘要 |
<P>PROBLEM TO BE SOLVED: To gather statistical setting information on sequenced settings without invading user's privacy. <P>SOLUTION: A plurality of terminals 100 each includes guide priority order storage means 102 of storing guide priority order as sequenced information, random number generation means 105 of generating a uniform random number, guide priority order derangement means 106 of deranging the guide priority order with the generated random number, and transmission means 107 of transmitting the guide priority order having been deranged to a server. The server 200 includes deranged information reception means 201 of receiving deranged guide priority order transmitted from the respective terminals, and average guide priority order calculation means 202 of calculating average order based upon the deranged guide priority order. <P>COPYRIGHT: (C)2012,JPO&INPIT |
