Case Study IRS and datawarehousing

Case Study IRS and datawarehousing - Interactive Session...

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Interactive Session: Organizations: The Internal Revenue Service Uncovers Tax Fraud with a Data Warehouse Case Study Questions: 1. Why was it so difficult for the IRS to analyze the taxpayer data it had collected? Initially, IRS data were stored in legacy systems designed to process tax return forms efficiently and organized in many different formats, including hierarchical mainframe databases, Oracle relational databases, and non-database “flat” files. The data in the older style hierarchical databases and “flat” files were nearly impossible to query and analyze and could not easily be combined with the relational data. 2. What kind of challenges did the IRS encounter when implementing its CDW? What management, organization, and technology issues had to be addressed? The challenges the IRS encountered when it implemented its CDW include: Management: Convincing the organization to undergo a sweeping upgrade like a data warehouse implementation was not easy, since government agencies are normally risk-
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Case Study IRS and datawarehousing - Interactive Session...

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