Summary: Rules systems and rule markup languages.

• TBL: Axioms of Web Architecture: Rules and Facts: Inference Engines vs. Web. In Design issues of the World Wide Web.
• Harold Boley: RuleML Initial Steps, Version 1.0. 2002-08-22.
• Harold Boley, Benjamin Grosof, Michael Sintek, Said Tabet, Gerd Wagner: RuleML Design, Version 0.8. 2002-09-03.

• Rules and Rule Markup.
• Discussion period.

STANDARDS

• None yet! but see:
  • Rule Interchange Format initiative at W3C; especially the RIF Use Cases and Requirements document.