一种解决的方法就是用图的形式表示这些领域的事务，然后利用基于图论的数据挖掘技术发现频繁子图。

An alternate way to solve these problems is to represent the transactions of those domains by graph, and find the frequent subgraphs by using graph-based data mining techniques.

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其次根据目前网络安全审计中存在的问题提出了基于数据挖掘的网络安全审计系统的实现方案并建立了系统模型图。

Secondly, it puts forward a solution of network security audit based on data mining and builds a system model to solve the problems existing in current network security audit.

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最后，本文设计了一个土建工程概算数据挖掘系统，通过分析系统的模块功能、用例图和数据流程，提出采用基于ASP。

Through analyse system's blocking function, use case diagram and data flow, we bring forward a B/S triple layers system which is based on ASP.

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