公路信息基础数据元二维分类及其应用

对我国公路建设、养护和管理的层次进行了抽象,基于信息粒度理论,提出并建立了"管理维度"分类标准.将2种分类方法结合形成二维数据元分类方法,并对现有公路信息基础数据元重新进行了分类,指出存在问题并给出了数据元扩充的思路,对二维数据元的关键属性进行了研究.将该分类方法在公路工程质量检验评定中进行了应用,提出质量检验评定的软件设计层次.应用结果表明,二维分类模式对于规范数据格式、实现信息共享、明确系统边界都有重要的作用.

2D-Classifying Method of Highway Information Foundation Data Element and its Application

This paper firstly abstracts the management layer of highway construction,maintains and running in China,puts forward and set up a classifying method based on information granularity,called management dimension classifying method.Secondly,two methods are combined into a 2D classifying method and again the current highway information foundation data elements are classified in 2 Dimensions.The problems in data element set are pointed out and also the expand idea is put forward.The key properties of 2D classifying data element are studied.Finally,the 2D classifying method is used in highway quality inspection and evaluation and a layer of its software design is brought out.The result shows that the 2D classifying method can take important effects in unifying data format,sharing information and making clear the system boundary.