| 摘要 |
<P>PROBLEM TO BE SOLVED: To accelerate appropriate progress of a discussion within a bulletin board by monitoring a tree structure (parental relation) of postings within the bulletin board and providing a user with an alert message when needed. <P>SOLUTION: An electronic bulletin board server includes first database means, second database means, and monitoring means. The first database means stores postings and information indicating the tree structure among the postings. The second database means stores a conditional expression for determining whether or not the tree structure is pertinent to a prescribed condition. The monitoring means refers to the information indicating the tree structure and the conditional expression to determine whether or not the tree structure is pertinent to the prescribed condition, and makes an alert message be outputted to a terminal device on the basis of a determination result. <P>COPYRIGHT: (C)2013,JPO&INPIT |
