信息产品质量测量动态衍变模型研究

doi:10.11896/j.issn.1002-137X.2015.01.054

摘要/Abstract

摘要： 信息产品质量测量是信息产品质量全面管理Total Data Quality Management(TDQM)的重要组成部分,为日后信息质量提升奠定了基础。基于信息产品质量测量静态传递模型,在关系数据库基础上,“选择”关系代数作用下,引入了时间变量,分析了信息产品及时性对信息产品质量的影响,构建了信息产品质量测量动态衍变模型。该模型包括信息产品在t时刻的及时性矩阵、过时数据集质量衍变映射、基于过时数据集质量衍变映射模型的信息产品质量测量方法。利用应用实例验证了本模型的可行性和有效性。

关键词: 信息产品,质量测量,选择关系代数,动态衍变

Abstract: Information product quality assessment is an important part of Total Data Quality Management (TDQM),lays foundation for potential quality improvement.In this paper,a novel dynamic development model of information product quality assessment that applies to the “Selection” relational algebra for the relational database was established by introducing time variable and analyzing the impact of information product timeliness based on the static propagation model of information product quality assessment.It includes developing the timeliness matrix at time t,proposing dynamic development mapping model of out-of-date dataset and developing a method for information product quality assessment based on the mapping model.The model dataset was used to verify the feasibility and validity of the model.

Key words: Information product,Quality assessment,“Selection” relational algebra,Dynamic development

刘婧,赵嵩正. 信息产品质量测量动态衍变模型研究[J]. 计算机科学, 2015, 42(1): 244-248. https://doi.org/10.11896/j.issn.1002-137X.2015.01.054

LIU Jing and ZHAO Song-zheng. Research on Dynamic Development Model of Information Product Quality Assessment[J]. Computer Science, 2015, 42(1): 244-248. https://doi.org/10.11896/j.issn.1002-137X.2015.01.054

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