%0 Journal Article
%T Research on Data Quality and Data Cleaning:a Survey<br>数据质量和数据清洗研究综述
%A GUO Zhi-mao
%A ZHOU Ao-ying
%A <br>郭志懋
%A 周傲英
%J 软件学报
%D 2002
%I 
%X Data quality, especially data cleaning, is surveyed in this paper. The importance of data quality, and its measurement metrics are described. The data cleaning problems are defined and classified. The approaches to solving data quality problems are detailed. How to combine the techniques in other research areas with data cleaning is overviewed, and several data cleaning frameworks proposed previously by others are introduced. The future research topics related to data cleaning problems are also discussed.
%K data quality
%K data cleaning
%K data integration
%K duplicate record
%K data cleaning framework<br>数据质量
%K 数据清洗
%K 数据集成
%K 相似重复记录
%K 数据清洗框架
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=7735F413D429542E610B3D6AC0D5EC59&aid=B3375DEBB6DA1D23&yid=C3ACC247184A22C1&vid=FC0714F8D2EB605D&iid=708DD6B15D2464E8&sid=7517709248AEED5C&eid=F43C60BA2AEFF068&journal_id=1000-9825&journal_name=软件学报&referenced_num=62&reference_num=24