<?xml version="1.0" encoding="utf-8"?><rdf:RDF  xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"  xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"  xmlns:skos="http://www.w3.org/2004/02/skos/core#"  xmlns:map="http://www.w3c.rl.ac.uk/2003/11/21-skos-mapping#"  xmlns:dct="http://purl.org/dc/terms/"  xmlns:dc="http://purl.org/dc/elements/1.1/"><skos:ConceptScheme rdf:about="https://digilab.ptb.de/dkd/refType/vocab/">  <dc:title>Metrology Database</dc:title>  <dc:creator>German Calibration Service (DKD)</dc:creator>  <dc:contributor>Thomas Krah, Daniel Hutzschenreuter, Benjamin Gloger, Muhammed-Ali Demir, Moritz Jordan</dc:contributor>  <dc:publisher>Deutscher Kalibrierdienst (German Calibration Service)</dc:publisher>  <dc:rights></dc:rights>  <dc:subject>metrology, reference types, digital calibration certificate, certificate of conformity</dc:subject>  <dc:description><![CDATA[  ]]></dc:description>  <dc:date>2023-06-19</dc:date>  <dct:modified>2026-04-10 06:58:36</dct:modified>  <dc:language>en-US</dc:language>  </skos:ConceptScheme>  <skos:Concept rdf:about="https://digilab.ptb.de/dkd/refType/vocab/skos/97"><skos:prefLabel xml:lang="en-US">measurementError</skos:prefLabel> <skos:definition xml:lang="en-EN">measured value minus a reference value </skos:definition> <skos:definition xml:lang="de-DE">Messwert minus einem Referenzwert. </skos:definition> <skos:scopeNote xml:lang="en-EN">Can be reported in any dcc:result element </skos:scopeNote> <skos:scopeNote xml:lang="de-DE">Kann in jeder dcc:result angegeben werden. </skos:scopeNote> <skos:historyNote xml:lang="en-EN">
2023-11-08
Created
 </skos:historyNote> <skos:historyNote xml:lang="en">

2024-12-06
Added XML example

 </skos:historyNote> <skos:historyNote xml:lang="en">2025-02-04: Adapted example to schema version 3.3.0 (replaced si:expandedUnc with si:measurementUncertaintyUnivariate) </skos:historyNote> <skos:note xml:lang="en-EN">JCGM 200:2012 (VIM), 2.16 </skos:note> <skos:note xml:lang="de-DE">Deutsch-Englische Fassung des ISO/IEC-Leitfaden 99:2007 (3. Auflage) 2.16 “Messabweichung”. </skos:note> <skos:example xml:lang="en-US">
    
        Konventioneller Wägewert
        Conventional mass
    
    
        
            
                0.0000002
                \kilogram
                2021-06-01T12:01:02
                                   
        
          0.00000053
          2
          0.95
        
      
            
        
    
 </skos:example><skos:inScheme rdf:resource="https://digilab.ptb.de/dkd/refType/vocab/"/><skos:related rdf:resource="https://digilab.ptb.de/dkd/refType/vocab/skos/5"/><skos:broader rdf:resource="https://digilab.ptb.de/dkd/refType/vocab/skos/2"/>  <dct:created>2023-11-08 10:33:35</dct:created>  </skos:Concept></rdf:RDF>