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OWL Ontologies and SKOS Vocabularies for Linked Models of Industry and Government Standards

What is "Linked Models"

Linked Models will be a site for publishing RDF/OWL models of commonly used industry and government standards. The work is motivated by the desire to use Semantic Web Technologies for interoperability, information aggregation and validation of specifciations that have been created using UML tools and/or XML Schema tools.

As you can see from the image at the top of the page on the right, the site is not quite ready, some Web 3.0 driven Web 2.0 work has to be completed. In the meantime, the following links will take you to some examples of the content that will be organized at the site:

  1. VAEM - Vocabulary for Attaching Essential Metadata
  2. VOAG - Vocabulary of Attribution and Governance
  3. DTYPE - Datatype Ontology
  4. QUDT - Quantities, Units, Dimensions and Types Ontologies and Vocabularies [Catalog Example]

The next ontologies and vocabularies to be released include:

  1. Industry Codes:
  2. oeGOV - Ontologies and Vocabularies of democracy and the US Government
  3. U.S. Constitution Ontology [Turtle File]
  4. FEA Ontologies
  5. NIEM Ontologies and Vocabularies
  6. DoDAF Ontologies
  7. FpML Bank Ontologies
  8. ISO20022 Finance Ontologies

Why OWL Models

Models expressed in UML are limited in their interoperability because of the ineffectiveness of XMI as an exchange mechanism between UML tools, which often implement proprietary formats that extend current XMI standards. On the other hand, OWL models are designed precisely for data exchange and model integration. Through a formalism that is founded on interoperability principles of uniform identifiers and canonical representations of modeling facts, they have intrinsic properties for linking data and models.

Why SKOS Vocabularies

SKOS, the Simple Knowledge Organization System, provides an extensible language for describing structured terminology systems like taxonomies and thesauri. Based on RDF, it inherits the power of flexibility and distribution. SKOS extends RDF with specific notions of linkage between structured vocabularies, making it particularly useful for enterprise vocabulary management.


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