Oct 14 2008:: A new subject ... maybe a new category.

In some ways, business rule languages represent the "soft underbelly" of the business rules approach. They can be arcane pseudo-languages reserved for highly trained specialists, which tends to defeat the original purpose of business rules and limit their value to business people.

Updated Sept 27 2008: more links

Most of the methodologies described in these business rule sites are waaay more than is needed for a simple 'semantic web rule' methodology. They are shooting for 99.99% completeness and accuracy in transaction process systems that may be driving multi-billion dollar business units. The goals of this enterprise are far more modest.

Best practices for business rules.