Tom Hammergren is a specialist in the area of data warehousing. during his career, Hammergren has grown through the evolution of decision support systems constantly focusing on better ways to improve information system to end-user communication. He is currently the product manager of Data Warehousing Solutions at Sybase where he has been working to craft the complete Sybase Data Warehousing Solution - Warehouse Studio. Hammergren has assisted many large consumers of data with their decision support and data warehouse systems including: The Procter & Gamble Company, AT&T, Dun & Bradstreet, Equifax, Schlegal, Aetna, Clorox and State Farm Insurance to name a few. He is under contract to write three books on data warehousing. The first of these books, DATA WAREHOUSING: BUILDING THE CORPORATE KNOWLEDGE BASE was released in early 1997. The second of these books, DATA WAREHOUSING ON THE INTERNET: ACCESSING THE CORPORATE KNOWLEDGE BASE was released in 1998. He is currently working on the third book in this series, DATA WAREHOUSING ABSTRACT DATA: EXPANDING THE CORPORATE KNOWLEDGE BASE.

The Importance of Enterprise Categorization Systems
November 1, 1998 This article explains how organizations can define, categorize, manage and maintain the data they access on a day-to-day basis...