vCard Ontology
RDF ontology for contact information — people, organizations, addresses, phone numbers, emails.
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Where this one tends to earn its keep.
Contact information as linked data
Address book interoperability
People directory systems
Organization contact management
W3C-Document-LicenseDerivative works may be distributed only as software, supporting materials or documentation — not as a standalone or competing technical specification.
Derived from the vCard Ontology, Copyright (c) 2014 World Wide Web Consortium. https://www.w3.org/Consortium/Legal/copyright-documents. Source: https://www.w3.org/TR/vcard-rdf/
Verified against the licence text on 2026-08-07.
Others worth a look in Web Standards.