We have incorporated the the 'Best of Breed' which includes elements from:

• Data Modeling - Bachman, Chen & Codd
• Event Process Modeling - Yourdon & DeMarco
• Information Engineering - James Martin
• Object Oriented Analysis - Rumbaugh & Booch
• Use-Case Scenarios - Ivar Jacobson
• Joint Application Design (JAD) - Tony Crawford
• General Systems Theory - Gerry Weinberg
• Data Warehousing - Inmon & Kimball