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Wikipedia / R2ML

The REWERSE Rule Markup Language (R2ML) is developed by the REWERSE Working Group I1 for the purpose of rules interchange between different systems and tools.

Scope

  • An XML based rule language;

  • Support for: integrity rules, derivation rules, production rules and reaction rules;

  • Integrate functional languages (such as OCL) with Datalog languages (such as SWRL);

  • Serialization and interchange of rules by specific software tools;

  • Integrating rule reasoning with actual server side technologies;

  • Deploying, publishing and communicating rules in a network.

Design principles

  • Modeled using MDA;

  • Rule concepts defined with the help of MOF/UML;

Required to accommodate:

  • Web naming concepts, such as URIss and XML namespaces;

  • The ontological distinction between objects and data values;

  • The datatype concepts of RDF and user-defined datatypes;

  • Actions (following OMG PRR submission);

  • Events;

  • EBNF abstract syntax;

  • XML based concrete syntax validated by an XML Schema;

  • Allowing different semantics for rules.

See also