| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a system capable of calculating the approval rate of the whole race by respectively extracting the numbers of bets concerned with perfecta. <P>SOLUTION: A user specifies the name of a racer whose approval rate is required to be known, a retrieval period and the grade of a race by using an information retrieval terminal and transmits the specified contents to a data server. The data server calculates the approval rate by dividing the number of bets of the first, second and third of the correct order forecast and trifecta of the race in which the specified racer enters by the total number of bets. The calculated result is written in an approval rate data table calculated by period specification and sent to the information retrieval terminal being used by the user. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
