The algorithms of using multiplebranch tree structure to implement management system is proposed in the paper. As to several algorithms of tree structure is given.
本文提出一个用多分支树型结构实现管理系统的算法，给出了关于树型结构的几种算法。
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A subscriber (but not a publisher) can specify a topic name that contains wildcard characters, which creates a single subscription to multiple topics, such as a branch in a topic hierarchy.