Constants

 

Form Constant at Wikipedia

Quantities, Units, Dimensions and Types Ontologies Constants at oeGOV

POSTED BY: Hodgson, Ralph (ARC-REE)[PEROT SYSTEMS] to uom-ontology-s

Based on the QUDT Ontologies,  we have just released an Ontology of the NIST constants at http://www.oegov.us/blog/?page_id=109#nistConstants.

A sample in N3 format is given below:
# Saved by TopBraid on Thu Aug 27 14:57:34 PDT 2009
# baseURI: http://www.qudt.org/owl/2009/08/nist-constants
# imports: http://www.oegov.org/models/common/cc
# imports: http://purl.org/dc/elements/1.1/
# imports: http://www.qudt.org/owl/2009/08/n1unit
# imports: http://www.qudt.org/owl/2009/08/n1qud
# imports: http://www.qudt.org/owl/2009/08/n1quantity
# imports: http://www.qudt.org/owl/2009/08/n1dimension

@prefix cc:      <http://creativecommons.org/ns#> .
@prefix dc:      <http://purl.org/dc/elements/1.1/> .
@prefix dim:     <http://data.nasa.gov/qudt/owl/dimension#> .
@prefix nist:    <http://physics.nist.gov/cuu/> .
@prefix nist-constants:  <http://data.nasa.gov/qudt/owl/nist-constants#> .
@prefix oecc:    <http://www.oegov.org/models/common/cc#> .
@prefix owl:     <http://www.w3.org/2002/07/owl#> .
@prefix quantity:  <http://data.nasa.gov/qudt/owl/quantity#> .
@prefix qud:     <http://data.nasa.gov/qudt/owl/qud#> .
@prefix rdf:     <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs:    <http://www.w3.org/2000/01/rdf-schema#> .
@prefix unit:    <http://data.nasa.gov/qudt/owl/unit#> .
@prefix xsd:     <http://www.w3.org/2001/XMLSchema#> .

nist:AlphaParticleElectronMassRatio
     rdf:type nist:PhysicalConstant ;
     rdfs:label “alpha particle-electron mass ratio” ;
     qud:quantityKind quantity:DimensionlessRatio ;
     qud:quantityValue nist:CODATA-Value_AlphaParticleElectronMassRatio .

nist:AlphaParticleMass
     rdf:type nist:PhysicalConstant ;
     rdfs:label “alpha particle mass” ;
     qud:quantityKind quantity:Mass ;
     qud:quantityValue nist:CODATA-Value_AlphaParticleMass .

nist:AlphaParticleMassEnergyEquivalent
     rdf:type nist:PhysicalConstant ;
     rdfs:label “alpha particle mass energy equivalent” ;
     qud:quantityKind quantity:EnergyAndWork ;
     qud:quantityValue nist:CODATA-Value_AlphaParticleMassEnergyEquivalent .

….
….
nist:WienWavelengthDisplacementLawConstant
     rdf:type nist:PhysicalConstant ;
     rdfs:label “Wien wavelength displacement law constant” ;
     qud:quantityKind quantity:LengthTemperature ;
     qud:quantityValue nist:CODATA-Value_WienWavelengthDisplacementLawConstant .

oecc:NIST-Attribution
     rdf:type oecc:AttributedSource ;
     cc:attributionName “NIST”^^xsd:string ;
     cc:attributionURL “http://physics.nist.gov/cuu/index.html”^^xsd:anyURI .

<http://www.qudt.org/owl/2009/08/nist-constants>
     rdf:type owl:Ontology ;
     cc:license <http://www.oegov.org/models/common/cc#CreativeCommonsAttributionShareAlike3.0_UnitedStatesLicense> ;
     dc:contributor “Ralph Hodgson”^^xsd:string , “Irene Polikoff”^^xsd:string ;
     dc:creator “James E. Masters”^^xsd:string ;
     dc:date “$Date: 2009-08-27 22:08:01 -0700 (Thu, 27 Aug 2009) $”^^xsd:string ;
     dc:description “This graph defines terms for and contains the values and standard uncertainties of 324 physical constants taken from the NIST website:  The NIST Reference on Constants, Units, and Uncertainty, at http://physics.nist.gov/cuu/index.html”^^xsd:string ;
     dc:rights “The QUDT Ontologies are issued under a Creative Commons Attribution Share Alike 3.0 United States License. Attribution should be made to NASA AMES Research Center and TopQuadrant, Inc.”^^xsd:string ;
     dc:subject “Quantities, Units, and Dimensions”^^xsd:string ;
     dc:title “NIST Constants Ontology”^^xsd:string ;
     oecc:attributedSource
             oecc:NASA-ARC-Attribution , oecc:TopQuadrantAttribution , oecc:NIST-Attribution ;
     oecc:revision “$Revision: 1386 $”^^xsd:string ;
     owl:imports dc: , <http://www.qudt.org/owl/2009/08/n1quantity> , <http://www.qudt.org/owl/2009/08/n1qud> , <http://www.oegov.org/models/common/cc> , <http://www.qudt.org/owl/2009/08/n1unit> , <http://www.qudt.org/owl/2009/08/n1dimension> ;
     owl:versionInfo “$Id: nist-constants.n3 1386 2009-08-28 05:08:01Z RalphHodgson $”^^xsd:string .

 

 

Ralph Hodgson
NASA Constellation Program Ontologies Lead
               650 336-3035

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