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This paper introduces the technological techniques of data cleaning and data extraction. The current state of domestic and international research in these two areas is reviewed and their future development considered. The following concepts are all explained: the basic principle of data cleaning, the framework models, the need for and the objectives of data cleaning, the testing method and the cleaning...
With the growing importance of privacy in data access, much research has been done on the privacy protecting technology in recent years. Developing an access control model and related mechanisms to support a selective access data become important. The extensible markup language (XML) is rapidly emerging as the new standard language for semi-structured data representation and exchange on the Internet...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.