DM Review  - DM Review provides good editorial coverage of strategic solutions for business intelligence, analytics, data warehousing and CRM across all major industries. DM Review editorial provides both business and technology perspectives regarding issues, trends and solutions of interest to corporate executives and IT managers.

The Data Warehousing Information Center - This site is a collection of one practitioner's essays on data warehousing, decision support and business intelligence.

The Data Warehousing Institute - The Data Warehousing Institute™ (TDWI) is a provider of education and research in the business intelligence and data warehousing industry. Among other things, TDWI sponsors a worldwide Membership program, annual educational conferences, regional educational seminars, and industry publications. TDWI also offers a comprehensive Web site with some good information available to non-members.

The OLAP Report - The OLAP Report Web site is a vendor-independent, research-based source of information regarding analytical processing of information. It provides detailed information on the OLAP market and OLAP products. Most information is only available to members, however there are some good articles available to everyone.