Rule Interchange Format (RIF) Advances to W3C Proposed Recommendation

The Rule Interchange Format (RIF) Working Group has published six Proposed Recommendations. Together, they allow systems using a variety of rule languages and rule-based technologies to interoperate with each other and with Semantic Web technologies.

Three of the drafts define XML formats with formal semantics for storing and transmitting rules:

The other drafts:

The group has also published a new version of RIF Test Cases, and three other Working Drafts: RIF Overview, RIF Combination with XML data and OWL 2 RL in RIF.

RIF implementation information is available. Review comments are welcome until 8 June.

About Ivan Herman

Ivan Herman is the leader of the Digital Publishing Activity at W3C. For more details, see

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