| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a number management server device and a number management method which can reduce a processing load in managing content identification numbers. <P>SOLUTION: A number management server device comprises a number management unit for monitoring allocation order of content identification numbers, and managing a period of validity for each content identification number by considering a difference in the period of validity compared with each content identification number previously registered. <P>COPYRIGHT: (C)2012,JPO&INPIT |
