数字测绘产品生产过程中数据质量的控制

Date Quality Control in the Procedure of Digital S/M Products

数据质量是一个相对的概念 ,是指数据对特定用途的分析和操作的适用程度。数据具有不确定性 ,衡量数据质量的标准会随着具体应用的特点和要求而变化 ,因此 ,在数据质量问题中 ,有可以减小甚至消除的因素 ,也有难以检测和控制的因素。因此 ,我们在生产过程中既要对哪些可以控制的因素进行有效地控制 。

Data quality is a relative concept, which means the degree of its suitability of analysis and operation in special use of data. Data have uncertainty. The standards for measurement of data quality may be changed along with the features and requirements of concrete uses. Thus in data control peocess, some factors may be reduced or eliminated and others can't be checked and controlled. Therefore, in production process, we should control effectly these controllable factors while adopt countermeasures to handle with those uncertain ones.