The Internet changes everything, even data quality assurance. The old- fashioned approach to providing data quality involves cleansing data that preexists in a database, using tools that run as scheduled batch processes. Although data-quality functions in batch mode will remain in demand for the foreseeable future, Internet-based applications such as those found inside e- businesses or behind e-commerce Web sites are driving a need for real-time data quality assurance, provided on a transactional basis at the time of data acquisition.
For example, browser-based forms are "garbage-laden" by nature. Online shoppers enjoy filling their virtual shopping carts, but then find the check-out process tedious. So, they rush through the browser-based forms they must fill out, omitting information or making typographic errors, which makes delivering their orders difficult or impossible. A few online consumers intentionally misrepresent themselves to perpetrate credit card fraud.
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