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Verisav actively contributes to the development of the Semantic Web by creating and publishing standard RDF/OWL vocabularies for after-sales service and product traceability.
Verisav is committed to applied research to develop open and interoperable standards. Our RDF/OWL vocabularies are designed to enable structured data exchange between all actors in the after-sales service ecosystem.
By publishing our vocabularies on Linked Open Vocabularies (LOV) and aligning them with international standards (Schema.org, UNTP, GS1), we contribute to the emergence of a linked data ecosystem for circular economy and product traceability.

Three RDF/OWL vocabularies created by Verisav and accepted in the Linked Open Vocabularies registry
Digital Product Passport Vocabulary
Vocabulary for the Digital Product Passport compliant with European ESPR 2024/1781 regulation. Defines classes and properties for traceability, carbon footprint and regulatory compliance.
Return Merchandise Authorization Vocabulary
Vocabulary for return management and after-sales service. Models service tickets, diagnostics, interventions and communications between actors.
Warranty & Contracts Vocabulary
Vocabulary for machine-readable warranties and contracts. Enables automation of warranty decisions and extension management.
Our three vocabularies (DPP, RMA, WTY) provide a common language for after-sales data:
Example: ticket rma:ticket-456 concerns product dpp:product-123.
Example (Turtle/RDF):
@prefix dpp: <https://ns.verisav.fr/dpp#> . @prefix rma: <https://ns.verisav.fr/rma#> . dpp:product-123 a dpp:Product ; dpp:name "Lave-linge X" ; dpp:marketDate "2024-06-01" . rma:ticket-456 a rma:ServiceTicket ; rma:status rma:InProgress .
The experts behind our semantic web contributions

Co-founder and President
Creator of DPP, RMA and WTY vocabularies. Semantic web and linked data specialist, Kévin develops open standards for after-sales service interoperability.

Verisav shares its work with the community
Persistent URIs via W3ID to guarantee identifier longevity
Vocabularies referenced in the Linked Open Vocabularies registry
Verisav profile and resources on FAIRsharing for FAIR data
Vocabularies and datasets referenced on data.gouv.fr and data.europa.eu
Contact us to discuss collaborations, integration of our vocabularies or joint research projects.