| 摘要 |
<p>The method involves updating a tree containing a node representing a time period that includes given date and concatenation of time periods, where time periods represent child nodes of a parent node representing a time period that represents the parent node. The tree updating is carried out by adding nodes in the tree so that a source node of the tree includes a beginning date of reservation period to record the reservation period of quantity of resources in the tree by a user.</p> |
