Reining in the proliferation of expensive, redundant data silos requires a methodical approach that includes establishing a data integration center of expertise.

In their quest for a single version of the truth and a 360-degree view of the enterprise, businesses have invested in projects to improve efficiency, effectiveness and productivity. They have built IT systems for enterprise resource planning (ERP), customer relationship management (CRM), supply chain management (SCM) and systems for budgeting, planning and forecasting. They attempted to integrate data with data warehouses, data marts and business intelligence (BI) projects. They relied on enterprise application integration (EAI) software to integrate all their applications, but it failed to integrate the data. They tried enterprise information integration (EII) software to create virtual data warehouses, but it too failed to provide the silver bullet for avoiding the hard work of data integration. Despite all the investments, data continues to be inconsistent across the enterprise.

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