Combining Different Business Rules Technologies: A Rationalization

Grosof, Benjamin, Rouvellou, Isabelle, Degenaro, Lou, Chan, Hoi Y., Rasmus, Kevin, Ehnebuske, Dave and McKee, Barbara, "Combining Different Business Rules Technologies: A Rationalization" (October 2001). MIT Sloan Working Paper No. 4190-01.

Abstract:

This paper discusses the very early stages of a project being conducted at IBM research to explore how different rule technologies might be combined or enhanced to offer powerful business solutions. People apply many meanings to the term "business rules." In its simplest form, a business rule is any statement that can be put in the form of "if then". Business rules can be implemented in a computer program by programming if-then statements in-line.

This is very efficient performance-wise, but you have to know exactly what rules need to be place where. If the rules change at a later time, there can be high costs of maintenance. This approach also lends toward inconsistency because people create or change rules without a full understanding of all of the rules or how they might interact

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