data cleansing meaning in English

数据清理
数据整理

Then the thesis further analyses some core techniques including the system of database , data warehouse and data mining and so on , and presents the frame of function of bank crm . the thesis puts its emphasis on the research on the data preprocessing of data warehouse , data copying , data cleansing , data integration and quality verifying included . finally the thesis discusses the key technology of data warehouse in bank crm - the cleansing of data of customers , and presents some methods of cleansing aiming at noisy values , missing values , conflicting values and duplicated values
本文在充分分析银行crm的需求的基础上，提出了基于数据仓库的银行crm系统的体系结构，并进一步分析了该体系结构中客户数据库系统、数据仓库、数据挖掘等核心技术组件的内涵，给出了银行crm系统的功能构架；重点研究了银行业务系统多年积累的客户数据向数据仓库迁移的预处理方法和过程，其过程包括数据复制、数据清洗转换、数据集成、质量检验和数据装载；最后讨论了银行crm系统应用数据仓库的关键技术：客户数据清洗，给出了针对噪声数据、空缺数据、不一致数据和重复数据的清洗方法。