目前绝大多数公交查询算法是基于最短路径查找算法的改进，但最短路径算法本质上不适合公交线路的查询。

Most of the developed algorithms are based on the improvement to the shortest path finding algorithm, however, the algorithm is essentially unsuitable for querying transit network.

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研究和实现了图论中无向图的简单路径查找算法，对连锁表的编制规则进行了总结，实现了相应的联锁表自动生成算法。

Based on the research of the rules to compose the interlocking table and simple path search of graph, we design an algorithm to generate the interlocking table from signal arrangement.

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基于SPKI技术提出了组播分布式访问控制系统MDAC，并提出了基于二叉授权委托树的委托证书路径(DCP)查找算法。

Based on SPKI technology, proposing multicast distributed access control system: MDAC, as wall as, proposing a delegation certificate path (DCP) searching algorithm based on binary tree.

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