URI*
https://ptb.de/sis/
https://ptb.de/sis/
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...
Bug database
https://gitlab1.ptb.de/d-ptb/d-si/ontology-d-si/-/issues
https://gitlab1.ptb.de/d-ptb/d-si/ontology-d-si/-/issues
Contact*
Mat Portal Metrology Import
Object creation date property
http://purl.org/dc/elements/1.1/created
http://purl.org/dc/elements/1.1/created
Submission date
April 17, 2026
Deprecated
false 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...
Documentation
https://www.ptb.de/sis
https://www.ptb.de/sis
Contributor
https://orcid.org/0000-0002-9095-0063
https://orcid.org/0000-0002-2190-6931
https://orcid.org/0000-0002-6461-2554
https://orcid.org/0000-0003-0941-5950
https://orcid.org/0000-0002-2239-3955
License
Creative Commons License
Representation language*
OWL See more...
Object modification date property
http://purl.org/dc/elements/1.1/modified
http://purl.org/dc/elements/1.1/modified
Notes
See more...
Preferred namespace prefix
sis See more...
Preferred namespace URI
https://ptb.de/sis/
https://ptb.de/sis/
Publisher
https://ror.org/05r3f7h03
Access URL
https://ptb.gitlab.io/dcc/ontology-d-si/ontology.ttl
https://ptb.gitlab.io/dcc/ontology-d-si/ontology.ttl
Creation date*
April 17, 2026
Repository
https://gitlab1.ptb.de/d-ptb/d-si/ontology-d-si
https://gitlab1.ptb.de/d-ptb/d-si/ontology-d-si
Status*
production See more...
URI Lookup Endpoint
https://dev.matportal.org/search?ontologies=SIS&require_exact_match=true&q=
search?ontologies=SIS&require_exact_match=true&q=
Version information
v0.2.1 See more...
Version IRI
https://ptb.de/sis/v0.2.1/
https://ptb.de/sis/v0.2.1/

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