SIS Ontology (SIS)

Last submission date April 17, 2026

General information

Abstract

Ontology presenting the schema for metrologically correct representation of quantity values including numerical value, kind of quantity, measurement unit and uncertainty declaration. See more...

Description

The SIS Ontology from PTB models semantically interoperable SI-based measurement results, including units, values, and GUM-compliant uncertainty structures. It is intended for digital calibration and metrology workflows that need machine-readable uncertainty and traceability information. See more...
Initial created on April 17, 2026. For additional information, contact Mat Portal Metrology Import.


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Identifiers

URI

https://ptb.de/sis/
https://ptb.de/sis/
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Version IRI

https://ptb.de/sis/v0.2.1/
https://ptb.de/sis/v0.2.1/
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MatPortal URI

https://dev.matportal.org/ontologies/SIS
https://dev.matportal.org/ontologies/SIS
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