数据质量评估研究综述

ue to the uncertainty of the way and method of data collection, it is difficult to guarantee the quality of data set. And high quality data is the premise of analyzing and using big data, so the measurement of data quality is particularly important. In this paper, firstly, according to the characteristics of data quality, the research status of data quality is introduced. Secondly, the technology and related theories related to data quality are elaborated, and several commonly used data quality evaluation methods are analyzed. Finally, the future development trend of data quality research is summarized