Your organization may have a collection of Internet resources that rake in customer information by the basketful, but to realize a real return on the investment, you need a way to store, organize, and analyze that raw information, and then act upon the analysis. Web Data Warehousing and Knowledge Management is a great orientation to the capabilities of data warehousing technologies. Rob Mattison cuts through the hype that surrounds data warehousing and data analysis; he explores the software tools that provide the ability--IQ and Aperio--and he reviews IBM's various data mining tools. This book--particularly the section on Online Analytical Processing [OLAP] reports--cries out for information on putting Extensible Markup Language (XML) to work in data warehouse applications. But that's a small shortcoming. If you're working on a Web-centric data warehouse, or even thinking about one, you'll absorb the information here in a flash. --David Wall

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