| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce overlapped display of the same advertisement without a load on processing the history of individual users. <P>SOLUTION: Advertisement can be assigned to each web page so that the same advertisement is not duplicated, before and after transition of pages, by applying the so-called "graph coloring algorithm" which distinguishes different colors without making the same colors adjoin, to a graphs in which the web pages used as nodes are combined by the links of transition, and decrease in the duplicated display of the same advertisement is attained without the load on processing the history of individual users. <P>COPYRIGHT: (C)2011,JPO&INPIT |
