In this paper, the method of rate of disfigurement is proposed to measure accuracy of attribute data in GIS.
基于抽样检验在测量数据精度分析中的思想，提出基于抽样的缺陷率方法对GIS属性数据的精度进行度量。
The paper presents a data quality assess model for relational database and defines the accuracy metric at attribute level.
针对数据库数据质量评价问题，给出了一个属性粒度的质量评价模型，定义了正确性评价指标。
The paper presents a data quality assess model for relational database and defines the accuracy metric at attribute level.
针对数据库数据质量评价问题，给出了一个属性粒度的质量评价模型，定义了正确性评价指标。
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