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<rdf:RDF xmlns="http://purls.helmholtz-metadaten.de/pldo/"
xml:base="http://purls.helmholtz-metadaten.de/pldo/"
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:obo="http://purl.obolibrary.org/obo/"
xmlns:owl="http://www.w3.org/2002/07/owl#"
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:xml="http://www.w3.org/XML/1998/namespace"
xmlns:xsd="http://www.w3.org/2001/XMLSchema#"
xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
xmlns:skos="http://www.w3.org/2004/02/skos/core#"
xmlns:terms="http://purl.org/dc/terms/"
xmlns:schema="https://schema.org/">
<owl:Ontology rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/">
<owl:versionIRI rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/1.0.0"/>
<terms:contributor rdf:resource="https://orcid.org/0000-0001-9560-4728"/>
<terms:contributor rdf:resource="https://orcid.org/0000-0002-6776-1213"/>
<terms:creator rdf:resource="https://orcid.org/0000-0001-7564-7990"/>
<terms:description>PLDO focuses on the description of planar defects in crystalline materials.</terms:description>
<terms:title>Planar Defect Ontology (PLDO)</terms:title>
<rdfs:seeAlso rdf:datatype="http://www.w3.org/2001/XMLSchema#anyURI">https://github.com/OCDO/pldo</rdfs:seeAlso>
<owl:versionInfo rdf:datatype="http://www.w3.org/2001/XMLSchema#string">1.0.0</owl:versionInfo>
<schema:citation rdf:datatype="http://www.w3.org/2001/XMLSchema#string">Abril Azocar Guzman. (2025). Planar Defect Ontology. </schema:citation>
<schema:creativeWorkStatus rdf:datatype="http://www.w3.org/2001/XMLSchema#string">Pre-release</schema:creativeWorkStatus>
<schema:funder rdf:datatype="http://www.w3.org/2001/XMLSchema#anyURI">https://ror.org/05qj6w324</schema:funder>
<schema:logo rdf:datatype="http://www.w3.org/2001/XMLSchema#anyURI">https://raw.githubusercontent.com/OCDO/.github/refs/heads/main/profile/ocdo_logo.png</schema:logo>
</owl:Ontology>
<!--
///////////////////////////////////////////////////////////////////////////////////////
//
// Annotation properties
//
///////////////////////////////////////////////////////////////////////////////////////
-->
<!-- http://purl.obolibrary.org/obo/IAO_0000111 -->
<owl:AnnotationProperty rdf:about="http://purl.obolibrary.org/obo/IAO_0000111"/>
<!-- http://purl.obolibrary.org/obo/IAO_0000114 -->
<owl:AnnotationProperty rdf:about="http://purl.obolibrary.org/obo/IAO_0000114"/>
<!-- http://purl.obolibrary.org/obo/IAO_0000115 -->
<owl:AnnotationProperty rdf:about="http://purl.obolibrary.org/obo/IAO_0000115">
<obo:IAO_0000111 xml:lang="en">definition</obo:IAO_0000111>
<obo:IAO_0000114 rdf:resource="http://purl.obolibrary.org/obo/IAO_0000122"/>
<obo:IAO_0000115 xml:lang="en">The official definition, explaining the meaning of a class or property. Shall be Aristotelian, formalized and normalized. Can be augmented with colloquial definitions.</obo:IAO_0000115>
<obo:IAO_0000116 xml:lang="en">2012-04-05:
Barry Smith
The official OBI definition, explaining the meaning of a class or property: 'Shall be Aristotelian, formalized and normalized. Can be augmented with colloquial definitions' is terrible.
Can you fix to something like:
A statement of necessary and sufficient conditions explaining the meaning of an expression referring to a class or property.
Alan Ruttenberg
Your proposed definition is a reasonable candidate, except that it is very common that necessary and sufficient conditions are not given. Mostly they are necessary, occasionally they are necessary and sufficient or just sufficient. Often they use terms that are not themselves defined and so they effectively can't be evaluated by those criteria.
On the specifics of the proposed definition:
We don't have definitions of 'meaning' or 'expression' or 'property'. For 'reference' in the intended sense I think we use the term 'denotation'. For 'expression', I think we you mean symbol, or identifier. For 'meaning' it differs for class and property. For class we want documentation that let's the intended reader determine whether an entity is instance of the class, or not. For property we want documentation that let's the intended reader determine, given a pair of potential relata, whether the assertion that the relation holds is true. The 'intended reader' part suggests that we also specify who, we expect, would be able to understand the definition, and also generalizes over human and computer reader to include textual and logical definition.
Personally, I am more comfortable weakening definition to documentation, with instructions as to what is desirable.
We also have the outstanding issue of how to aim different definitions to different audiences. A clinical audience reading chebi wants a different sort of definition documentation/definition from a chemistry trained audience, and similarly there is a need for a definition that is adequate for an ontologist to work with. </obo:IAO_0000116>
<obo:IAO_0000117 xml:lang="en">PERSON:Daniel Schober</obo:IAO_0000117>
<obo:IAO_0000119 xml:lang="en">GROUP:OBI:<http://purl.obolibrary.org/obo/obi></obo:IAO_0000119>
<rdfs:isDefinedBy rdf:resource="http://purl.obolibrary.org/obo/iao.owl"/>
<rdfs:label xml:lang="en">definition</rdfs:label>
</owl:AnnotationProperty>
<!-- http://purl.obolibrary.org/obo/IAO_0000116 -->
<owl:AnnotationProperty rdf:about="http://purl.obolibrary.org/obo/IAO_0000116"/>
<!-- http://purl.obolibrary.org/obo/IAO_0000117 -->
<owl:AnnotationProperty rdf:about="http://purl.obolibrary.org/obo/IAO_0000117"/>
<!-- http://purl.obolibrary.org/obo/IAO_0000119 -->
<owl:AnnotationProperty rdf:about="http://purl.obolibrary.org/obo/IAO_0000119">
<obo:IAO_0000111 xml:lang="en">definition source</obo:IAO_0000111>
<obo:IAO_0000114 rdf:resource="http://purl.obolibrary.org/obo/IAO_0000122"/>
<obo:IAO_0000115 xml:lang="en">Formal citation, e.g. identifier in external database to indicate / attribute source(s) for the definition. Free text indicate / attribute source(s) for the definition. EXAMPLE: Author Name, URI, MeSH Term C04, PUBMED ID, Wiki uri on 31.01.2007</obo:IAO_0000115>
<obo:IAO_0000117 xml:lang="en">PERSON:Daniel Schober</obo:IAO_0000117>
<obo:IAO_0000119 xml:lang="en">Discussion on obo-discuss mailing-list, see http://bit.ly/hgm99w</obo:IAO_0000119>
<obo:IAO_0000119 xml:lang="en">GROUP:OBI:<http://purl.obolibrary.org/obo/obi></obo:IAO_0000119>
<rdfs:isDefinedBy rdf:resource="http://purl.obolibrary.org/obo/iao.owl"/>
<rdfs:label xml:lang="en">definition source</rdfs:label>
</owl:AnnotationProperty>
<!-- http://purl.org/dc/elements/1.1/contributor -->
<owl:AnnotationProperty rdf:about="http://purl.org/dc/elements/1.1/contributor"/>
<!-- http://purl.org/dc/elements/1.1/creator -->
<owl:AnnotationProperty rdf:about="http://purl.org/dc/elements/1.1/creator"/>
<!-- http://purl.org/dc/elements/1.1/description -->
<owl:AnnotationProperty rdf:about="http://purl.org/dc/elements/1.1/description"/>
<!-- http://purl.org/dc/elements/1.1/title -->
<owl:AnnotationProperty rdf:about="http://purl.org/dc/elements/1.1/title"/>
<!-- http://purl.org/dc/terms/abstract -->
<owl:AnnotationProperty rdf:about="http://purl.org/dc/terms/abstract">
<rdfs:subPropertyOf rdf:resource="http://purl.org/dc/terms/description"/>
</owl:AnnotationProperty>
<!-- http://purl.org/dc/terms/alternative -->
<owl:AnnotationProperty rdf:about="http://purl.org/dc/terms/alternative">
<rdfs:subPropertyOf rdf:resource="http://purl.org/dc/terms/title"/>
</owl:AnnotationProperty>
<!-- http://purl.org/dc/terms/contributor -->
<owl:AnnotationProperty rdf:about="http://purl.org/dc/terms/contributor">
<rdfs:comment xml:lang="en-us">Examples of a Contributor include a person, an organization, or a service. Typically, the name of a Contributor should be used to indicate the entity.</rdfs:comment>
<rdfs:label xml:lang="en-us">Contributor</rdfs:label>
<skos:definition xml:lang="en-us">An entity responsible for making contributions to the resource.</skos:definition>
<rdfs:subPropertyOf rdf:resource="http://purl.org/dc/elements/1.1/contributor"/>
<rdfs:range rdf:resource="http://purl.org/dc/terms/Agent"/>
</owl:AnnotationProperty>
<!-- http://purl.org/dc/terms/creator -->
<owl:AnnotationProperty rdf:about="http://purl.org/dc/terms/creator">
<rdfs:comment xml:lang="en-us">Examples of a Creator include a person, an organization, or a service. Typically, the name of a Creator should be used to indicate the entity.</rdfs:comment>
<rdfs:label xml:lang="en-us">Creator</rdfs:label>
<skos:definition xml:lang="en-us">An entity primarily responsible for making the resource.</skos:definition>
<rdfs:subPropertyOf rdf:resource="http://purl.org/dc/elements/1.1/creator"/>
<rdfs:subPropertyOf rdf:resource="http://purl.org/dc/terms/contributor"/>
<rdfs:range rdf:resource="http://purl.org/dc/terms/Agent"/>
</owl:AnnotationProperty>
<!-- http://purl.org/dc/terms/description -->
<owl:AnnotationProperty rdf:about="http://purl.org/dc/terms/description">
<rdfs:comment xml:lang="en-us">Description may include but is not limited to: an abstract, a table of contents, a graphical representation, or a free-text account of the resource.</rdfs:comment>
<rdfs:label xml:lang="en-us">Description</rdfs:label>
<skos:definition xml:lang="en-us">An account of the resource.</skos:definition>
<rdfs:subPropertyOf rdf:resource="http://purl.org/dc/elements/1.1/description"/>
</owl:AnnotationProperty>
<!-- http://purl.org/dc/terms/tableOfContents -->
<owl:AnnotationProperty rdf:about="http://purl.org/dc/terms/tableOfContents">
<rdfs:subPropertyOf rdf:resource="http://purl.org/dc/terms/description"/>
</owl:AnnotationProperty>
<!-- http://purl.org/dc/terms/title -->
<owl:AnnotationProperty rdf:about="http://purl.org/dc/terms/title">
<rdfs:label xml:lang="en-us">Title</rdfs:label>
<skos:definition xml:lang="en-us">A name given to the resource.</skos:definition>
<skos:note xml:lang="en-us">In current practice, this term is used primarily with literal values; however, there are important uses with non-literal values as well. As of December 2007, the DCMI Usage Board is leaving this range unspecified pending an investigation of options.</skos:note>
<rdfs:subPropertyOf rdf:resource="http://purl.org/dc/elements/1.1/title"/>
</owl:AnnotationProperty>
<!-- http://www.w3.org/2004/02/skos/core#altLabel -->
<owl:AnnotationProperty rdf:about="http://www.w3.org/2004/02/skos/core#altLabel">
<rdfs:comment xml:lang="en">The range of skos:altLabel is the class of RDF plain literals.</rdfs:comment>
<rdfs:comment xml:lang="en">skos:prefLabel, skos:altLabel and skos:hiddenLabel are pairwise disjoint properties.</rdfs:comment>
<rdfs:isDefinedBy rdf:resource="http://www.w3.org/2004/02/skos/core"/>
<rdfs:label xml:lang="en">alternative label</rdfs:label>
<skos:definition xml:lang="en">An alternative lexical label for a resource.</skos:definition>
<skos:example xml:lang="en">Acronyms, abbreviations, spelling variants, and irregular plural/singular forms may be included among the alternative labels for a concept. Mis-spelled terms are normally included as hidden labels (see skos:hiddenLabel).</skos:example>
<rdfs:subPropertyOf rdf:resource="http://www.w3.org/2000/01/rdf-schema#label"/>
</owl:AnnotationProperty>
<!-- http://www.w3.org/2004/02/skos/core#definition -->
<owl:AnnotationProperty rdf:about="http://www.w3.org/2004/02/skos/core#definition">
<rdfs:subPropertyOf rdf:resource="http://www.w3.org/2004/02/skos/core#note"/>
</owl:AnnotationProperty>
<!-- http://www.w3.org/2004/02/skos/core#example -->
<owl:AnnotationProperty rdf:about="http://www.w3.org/2004/02/skos/core#example">
<rdfs:isDefinedBy rdf:resource="http://www.w3.org/2004/02/skos/core"/>
<rdfs:label xml:lang="en">example</rdfs:label>
<skos:definition xml:lang="en">An example of the use of a concept.</skos:definition>
<rdfs:subPropertyOf rdf:resource="http://www.w3.org/2004/02/skos/core#note"/>
</owl:AnnotationProperty>
<!-- http://www.w3.org/2004/02/skos/core#note -->
<owl:AnnotationProperty rdf:about="http://www.w3.org/2004/02/skos/core#note">
<skos:definition xml:lang="en">A general note, for any purpose.</skos:definition>
</owl:AnnotationProperty>
<!-- http://www.w3.org/2004/02/skos/core#prefLabel -->
<owl:AnnotationProperty rdf:about="http://www.w3.org/2004/02/skos/core#prefLabel">
<rdfs:comment xml:lang="en">A resource has no more than one value of skos:prefLabel per language tag, and no more than one value of skos:prefLabel without language tag.</rdfs:comment>
<rdfs:comment xml:lang="en">The range of skos:prefLabel is the class of RDF plain literals.</rdfs:comment>
<rdfs:comment xml:lang="en">skos:prefLabel, skos:altLabel and skos:hiddenLabel are pairwise
disjoint properties.</rdfs:comment>
<rdfs:isDefinedBy rdf:resource="http://www.w3.org/2004/02/skos/core"/>
<rdfs:label xml:lang="en">preferred label</rdfs:label>
<skos:definition xml:lang="en">The preferred lexical label for a resource, in a given language.</skos:definition>
<rdfs:subPropertyOf rdf:resource="http://www.w3.org/2000/01/rdf-schema#label"/>
</owl:AnnotationProperty>
<!-- https://schema.org/citation -->
<owl:AnnotationProperty rdf:about="https://schema.org/citation"/>
<!-- https://schema.org/creativeWorkStatus -->
<owl:AnnotationProperty rdf:about="https://schema.org/creativeWorkStatus"/>
<!-- https://schema.org/funder -->
<owl:AnnotationProperty rdf:about="https://schema.org/funder"/>
<!-- https://schema.org/logo -->
<owl:AnnotationProperty rdf:about="https://schema.org/logo"/>
<!--
///////////////////////////////////////////////////////////////////////////////////////
//
// Object Properties
//
///////////////////////////////////////////////////////////////////////////////////////
-->
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/hasGrainBoundaryEnergy -->
<owl:ObjectProperty rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/hasGrainBoundaryEnergy">
<rdfs:domain rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/ComputationalSample"/>
<rdfs:domain rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/GrainBoundary"/>
<rdfs:range rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/GrainBoundaryEnergy"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">The relation between a grain boundary and the corresponding energy.</obo:IAO_0000115>
<rdfs:label rdf:datatype="http://www.w3.org/2001/XMLSchema#string">has grain boundary energy</rdfs:label>
</owl:ObjectProperty>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/hasStackingFaultEnergy -->
<owl:ObjectProperty rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/hasStackingFaultEnergy">
<rdfs:domain rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/ComputationalSample"/>
<rdfs:domain rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/StackingFault"/>
<rdfs:range rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/StackingFaultEnergy"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">The relation between a stacking fault and the corresponding energy.</obo:IAO_0000115>
<rdfs:label rdf:datatype="http://www.w3.org/2001/XMLSchema#string">has stacking fault energy</rdfs:label>
</owl:ObjectProperty>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/hasSurfaceEnergy -->
<owl:ObjectProperty rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/hasSurfaceEnergy">
<rdfs:domain rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/ComputationalSample"/>
<rdfs:domain rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/Surface"/>
<rdfs:range rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/SurfaceEnergy"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">The relation between a surface structure and the corresponding energy.</obo:IAO_0000115>
<rdfs:label rdf:datatype="http://www.w3.org/2001/XMLSchema#string">has surface energy</rdfs:label>
</owl:ObjectProperty>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/hasTiltComponent -->
<owl:ObjectProperty rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/hasTiltComponent">
<rdfs:domain rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/MixedGrainBoundary"/>
<rdfs:range rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/TiltGrainBoundary"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">The relation between a mixed grain boundary and the tilt grain boundary component.</obo:IAO_0000115>
<rdfs:label>has tilt component</rdfs:label>
</owl:ObjectProperty>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/hasTwistComponent -->
<owl:ObjectProperty rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/hasTwistComponent">
<rdfs:domain rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/MixedGrainBoundary"/>
<rdfs:range rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/TwistGrainBoundary"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">The relation between a mixed grain boundary and the twist grain boundary component.</obo:IAO_0000115>
<rdfs:label>has twist component</rdfs:label>
</owl:ObjectProperty>
<!--
///////////////////////////////////////////////////////////////////////////////////////
//
// Data properties
//
///////////////////////////////////////////////////////////////////////////////////////
-->
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/geometricalDegreesOfFreedom -->
<owl:DatatypeProperty rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/geometricalDegreesOfFreedom">
<rdfs:domain rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/GrainBoundary"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">The geometrical degrees of freedom are the parameters that are necessary to characterize a grain boundary.</obo:IAO_0000115>
<rdfs:label>geometrical degrees of freedom</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/hasDisplacementVector -->
<owl:DatatypeProperty rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/hasDisplacementVector">
<rdfs:subPropertyOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/hasSFplane"/>
<rdfs:domain rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/StackingFault"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#string"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">A data property indicating the displacement vector associated with the stacking fault.</obo:IAO_0000115>
<rdfs:label rdf:datatype="http://www.w3.org/2001/XMLSchema#string">has displacement vector</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/hasGBplane -->
<owl:DatatypeProperty rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/hasGBplane">
<rdfs:subPropertyOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/macroscopicDegreesOfFreedom"/>
<rdfs:domain rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/GrainBoundary"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#string"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">A data property indicating the grain boundary (GB) plane using Miller indices.</obo:IAO_0000115>
<rdfs:label>has GB plane</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/hasMisorientationAngle -->
<owl:DatatypeProperty rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/hasMisorientationAngle">
<rdfs:subPropertyOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/macroscopicDegreesOfFreedom"/>
<rdfs:domain rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/GrainBoundary"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#float"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">A data property indicating the misorientation angle (θ) of the grains with respect to each other.</obo:IAO_0000115>
<obo:IAO_0000119 rdf:datatype="http://www.w3.org/2001/XMLSchema#anyURI">https://doi.org/10.1016/j.actamat.2022.118006</obo:IAO_0000119>
<rdfs:comment rdf:datatype="http://www.w3.org/2001/XMLSchema#string">A disorientation angle can also be used to describe the grain boundary and is defined by the minimum misorientation angle when the misorientation axis is found in the standard stereographic triangle.</rdfs:comment>
<rdfs:label>has misorientation angle</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/hasRotationAxis -->
<owl:DatatypeProperty rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/hasRotationAxis">
<rdfs:subPropertyOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/macroscopicDegreesOfFreedom"/>
<rdfs:domain rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/GrainBoundary"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#string"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">A data property indicating the rotation axis [uvw].</obo:IAO_0000115>
<rdfs:label>has rotation axis</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/hasSFplane -->
<owl:DatatypeProperty rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/hasSFplane">
<rdfs:domain rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/StackingFault"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#string"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">A data property indicating the stacking fault (SF) plane using Miller indices.</obo:IAO_0000115>
<rdfs:comment rdf:datatype="http://www.w3.org/2001/XMLSchema#string">The SF plane defines the crystallographic plane along which a stacking fault occurs, disrupting the ideal stacking sequence of the crystal structure.</rdfs:comment>
<rdfs:label rdf:datatype="http://www.w3.org/2001/XMLSchema#string">has SF plane</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/hasSigmaValue -->
<owl:DatatypeProperty rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/hasSigmaValue">
<rdfs:domain rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/GrainBoundary"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#integer"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">A data property linking a GB with its sigma value.</obo:IAO_0000115>
<rdfs:comment rdf:datatype="http://www.w3.org/2001/XMLSchema#string">Sigma value of a GB is the coincidence index, calculated as the ratio of the coincidence unit cell volume by the crystal primitive unit cell volume. The coincidence index refers to the Coincidence Site Lattice (CSL).</rdfs:comment>
<rdfs:label>has sigma value</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/hasStackingSequence -->
<owl:DatatypeProperty rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/hasStackingSequence">
<rdfs:domain rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/StackingFault"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#string"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">A data property indicating the stacking sequence in a crystal structure. For the ideal hcp structure, this sequence is •••ABABAB••• and for fcc •••ABCABC•••.</obo:IAO_0000115>
<rdfs:label rdf:datatype="http://www.w3.org/2001/XMLSchema#string">has stacking sequence</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/macroscopicDegreesOfFreedom -->
<owl:DatatypeProperty rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/macroscopicDegreesOfFreedom">
<rdfs:subPropertyOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/geometricalDegreesOfFreedom"/>
<rdfs:domain rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/GrainBoundary"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">There are five macroscopic degrees of freedom (DOFs) that are sufficient to describe the thermodynamic description of the grain boundary.</obo:IAO_0000115>
<rdfs:comment>In simulations of grain boundaries, the macroscopic DOFs are imposed on the structure.</rdfs:comment>
<rdfs:label>macroscopic degrees of freedom</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/microscopicDegreesOfFreedom -->
<owl:DatatypeProperty rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/microscopicDegreesOfFreedom">
<rdfs:subPropertyOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/geometricalDegreesOfFreedom"/>
<rdfs:domain rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/GrainBoundary"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">The microscopic degrees of freedom (DOFs) refer to the translation of one crystal with respect to the other at the microscopic scale. The microscopic parameters result from the relaxation process and are not independent of the macroscopic parameters.</obo:IAO_0000115>
<rdfs:comment>In simulations of grain boundaries, the microscopic DOFs are obtained after the grain boundary energy minimization.</rdfs:comment>
<rdfs:label>microscopic degrees of freedom</rdfs:label>
</owl:DatatypeProperty>
<!--
///////////////////////////////////////////////////////////////////////////////////////
//
// Classes
//
///////////////////////////////////////////////////////////////////////////////////////
-->
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/AntiphaseBoundary -->
<owl:Class rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/AntiphaseBoundary">
<rdfs:subClassOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/PlanarDefect"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">An antiphase boundary is a planar defect that occurs in ordered alloys. The boundary separates two domains of the same ordered phase.</obo:IAO_0000115>
<rdfs:label>Antiphase Boundary</rdfs:label>
<skos:altLabel>APB</skos:altLabel>
</owl:Class>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/CalculatedProperty -->
<owl:Class rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/CalculatedProperty">
<rdfs:label>Calculated Property</rdfs:label>
<skos:definition>A calculated property is a property of a material resulting from a calculation or simulation.</skos:definition>
</owl:Class>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/ComputationalSample -->
<owl:Class rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/ComputationalSample">
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">A computational sample is a representative system of a material for analysis through computational methods in the context of materials science.</obo:IAO_0000115>
<rdfs:label>Computational Sample</rdfs:label>
</owl:Class>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/Energy -->
<owl:Class rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/Energy">
<rdfs:subClassOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/PhysicalQuantity"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">Energy is a physical quantity characterizing the ability of a system to do work.</obo:IAO_0000115>
<obo:IAO_0000119 rdf:datatype="http://www.w3.org/2001/XMLSchema#anyURI">https://doi.org/10.1351/goldbook.E02101</obo:IAO_0000119>
<rdfs:label rdf:datatype="http://www.w3.org/2001/XMLSchema#string">Energy</rdfs:label>
<rdfs:seeAlso rdf:datatype="http://www.w3.org/2001/XMLSchema#anyURI">https://qudt.org/vocab/quantitykind/Energy</rdfs:seeAlso>
<rdfs:seeAlso rdf:datatype="http://www.w3.org/2001/XMLSchema#anyURI">https://si-digital-framework.org/quantities/ENGY</rdfs:seeAlso>
<skos:altLabel rdf:datatype="http://www.w3.org/2001/XMLSchema#string">E</skos:altLabel>
</owl:Class>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/ExtrinsicStackingFault -->
<owl:Class rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/ExtrinsicStackingFault">
<rdfs:subClassOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/StackingFault"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">An extrinsic stacking fault is a stacking fault produced by the change in sequence resulting from the introduction of an extra layer.</obo:IAO_0000115>
<rdfs:label rdf:datatype="http://www.w3.org/2001/XMLSchema#string">Extrinsic Stacking Fault</rdfs:label>
</owl:Class>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/ExtrinsicStackingFaultEnergy -->
<owl:Class rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/ExtrinsicStackingFaultEnergy">
<rdfs:subClassOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/StackingFaultEnergy"/>
<rdfs:label rdf:datatype="http://www.w3.org/2001/XMLSchema#string">Extrinsic Stacking Fault Energy</rdfs:label>
</owl:Class>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/Gamma-Surface -->
<owl:Class rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/Gamma-Surface">
<rdfs:subClassOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/CalculatedProperty"/>
<rdfs:subClassOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/Energy"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">The gamma-surface is the excess interlayer energy, γ, as a function of an imposed rigid-body translation, t, parallel to the interface.</obo:IAO_0000115>
<obo:IAO_0000119 rdf:datatype="http://www.w3.org/2001/XMLSchema#anyURI">https://doi.org/10.1080/14786436808227500</obo:IAO_0000119>
<rdfs:label rdf:datatype="http://www.w3.org/2001/XMLSchema#string">Gamma-Surface</rdfs:label>
</owl:Class>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/GeneralizedStackingFaultEnergy -->
<owl:Class rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/GeneralizedStackingFaultEnergy">
<rdfs:subClassOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/StackingFaultEnergy"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">The generalized stacking fault (GSF) energy is a measure of the energy penalty between two adjacent planes during shear deformation in a specific slip direction on a given slip plane, representing the nature of slip and involving the stable and unstable stacking and twin fault energies.</obo:IAO_0000115>
<obo:IAO_0000119 rdf:datatype="http://www.w3.org/2001/XMLSchema#anyURI">https://doi.org/10.1016/j.actamat.2013.12.019</obo:IAO_0000119>
<rdfs:label rdf:datatype="http://www.w3.org/2001/XMLSchema#string">Generalized Stacking Fault Energy</rdfs:label>
</owl:Class>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/GrainBoundary -->
<owl:Class rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/GrainBoundary">
<rdfs:subClassOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/PlanarDefect"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">A grain boundary is a planar defect that separates two crystals (or grains) of the same material.</obo:IAO_0000115>
<rdfs:label>Grain Boundary</rdfs:label>
<skos:altLabel>GB</skos:altLabel>
</owl:Class>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/GrainBoundaryEnergy -->
<owl:Class rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/GrainBoundaryEnergy">
<rdfs:subClassOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/CalculatedProperty"/>
<rdfs:subClassOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/Energy"/>
<obo:IAO_0000115>Grain boundary energy is the excess energy due to the presence of a grain boundary, with the perfect lattice (bulk) as the reference.</obo:IAO_0000115>
<rdfs:comment rdf:datatype="http://www.w3.org/2001/XMLSchema#string">Usually expressed in units of energy per area.</rdfs:comment>
<rdfs:label rdf:datatype="http://www.w3.org/2001/XMLSchema#string">Grain Boundary Energy</rdfs:label>
</owl:Class>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/I1StackingFaultEnergy -->
<owl:Class rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/I1StackingFaultEnergy">
<rdfs:subClassOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/StackingFaultEnergy"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">The I1 stacking fault, or growth fault, is a type of intrinsic stacking fault in hcp systems due to the removal of a plane above the B plane, and then shearing of the remaining planes above the B plane by the displacement 1/3[-1-100].</obo:IAO_0000115>
<obo:IAO_0000119 rdf:datatype="http://www.w3.org/2001/XMLSchema#anyURI">https://doi.org/10.1103/PhysRevB.56.10844</obo:IAO_0000119>
<rdfs:label rdf:datatype="http://www.w3.org/2001/XMLSchema#string">I1 Stacking Fault Energy</rdfs:label>
</owl:Class>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/I2StackingFaultEnergy -->
<owl:Class rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/I2StackingFaultEnergy">
<rdfs:subClassOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/StackingFaultEnergy"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">The I2 stacking fault, or deformation fault, is a type of intrinsic stacking fault in hcp systems due to directly shearing the hcp lattice by the displacement 1/3[-1-100].</obo:IAO_0000115>
<obo:IAO_0000119 rdf:datatype="http://www.w3.org/2001/XMLSchema#anyURI">https://doi.org/10.1103/PhysRevB.56.10844</obo:IAO_0000119>
<rdfs:label rdf:datatype="http://www.w3.org/2001/XMLSchema#string">I2 Stacking Fault Energy</rdfs:label>
</owl:Class>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/IntrinsicStackingFault -->
<owl:Class rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/IntrinsicStackingFault">
<rdfs:subClassOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/StackingFault"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">An intrinsic stacking fault is a stacking fault produced by the change in sequence resulting from the removal of an extra layer.</obo:IAO_0000115>
<rdfs:label rdf:datatype="http://www.w3.org/2001/XMLSchema#string">Intrinsic Stacking Fault</rdfs:label>
</owl:Class>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/LowAngleGrainBoundary -->
<owl:Class rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/LowAngleGrainBoundary">
<rdfs:subClassOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/GrainBoundary"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">A low angle grain boundary is a grain boundary with a misorientation angle lower than 15 degrees.</obo:IAO_0000115>
<obo:IAO_0000119>ISBN 978-94-007-4968-9</obo:IAO_0000119>
<rdfs:label>Low Angle Grain Boundary</rdfs:label>
<skos:altLabel>Low-Angle Grain Boundary</skos:altLabel>
</owl:Class>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/MixedGrainBoundary -->
<owl:Class rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/MixedGrainBoundary">
<rdfs:subClassOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/GrainBoundary"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">A mixed grain boundary is a grain boundary where the [uvw] rotation axis has perpendicular and parallel components with respect to the boundary plane.</obo:IAO_0000115>
<obo:IAO_0000119>ISBN 978-94-007-4968-9</obo:IAO_0000119>
<rdfs:label>Mixed Grain Boundary</rdfs:label>
</owl:Class>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/PhysicalQuantity -->
<owl:Class rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/PhysicalQuantity"/>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/PlanarDefect -->
<owl:Class rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/PlanarDefect">
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">A planar defect is a defect of the crystal structure across a plane. It is considered to be a two-dimensional defect, such as an internal interface or the surface.</obo:IAO_0000115>
<rdfs:label>Planar Defect</rdfs:label>
<skos:altLabel>Interface</skos:altLabel>
</owl:Class>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/StackingFault -->
<owl:Class rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/StackingFault">
<rdfs:subClassOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/PlanarDefect"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">A stacking fault is a planar defect created by an error (fault) in the order of the sequential layering of crystallographic planes.</obo:IAO_0000115>
<rdfs:label>Stacking Fault</rdfs:label>
</owl:Class>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/StackingFaultEnergy -->
<owl:Class rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/StackingFaultEnergy">
<rdfs:subClassOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/CalculatedProperty"/>
<rdfs:subClassOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/Energy"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">Stacking fault energy is the excess energy due to the presence of a stacking fault, with the perfect lattice (bulk) as the reference.</obo:IAO_0000115>
<rdfs:comment rdf:datatype="http://www.w3.org/2001/XMLSchema#string">Usually expressed in units of energy per area.</rdfs:comment>
<rdfs:label rdf:datatype="http://www.w3.org/2001/XMLSchema#string">Stacking Fault Energy</rdfs:label>
</owl:Class>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/Surface -->
<owl:Class rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/Surface">
<rdfs:subClassOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/PlanarDefect"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">The free surface (or external surface) of the material is a planar defect where the surface atoms have no neighbors or cohesive bonds on the external side.</obo:IAO_0000115>
<rdfs:label>Surface</rdfs:label>
</owl:Class>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/SurfaceEnergy -->
<owl:Class rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/SurfaceEnergy">
<rdfs:subClassOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/CalculatedProperty"/>
<rdfs:subClassOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/Energy"/>
<rdfs:label rdf:datatype="http://www.w3.org/2001/XMLSchema#string">Surface Energy</rdfs:label>
</owl:Class>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/SymmetricalTiltGrainBoundary -->
<owl:Class rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/SymmetricalTiltGrainBoundary">
<rdfs:subClassOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/TiltGrainBoundary"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">A symmetrical tilt grain boundary is a tilt grain boundary where the two grains are symmetric. The boundary plane has the same Miller indices in crystals I and II: {hkl}_1 = {hkl}_2.</obo:IAO_0000115>
<obo:IAO_0000119>ISBN 978-94-007-4968-9</obo:IAO_0000119>
<rdfs:label>Symmetrical Tilt Grain Boundary</rdfs:label>
</owl:Class>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/TiltGrainBoundary -->
<owl:Class rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/TiltGrainBoundary">
<rdfs:subClassOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/GrainBoundary"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">A tilt boundary is a grain boundary with a [uvw] rotation axis perpendicular to the boundary plane.</obo:IAO_0000115>
<obo:IAO_0000119>ISBN 978-94-007-4968-9</obo:IAO_0000119>
<rdfs:label>Tilt Grain Boundary</rdfs:label>
<skos:altLabel>Tilt Boundary</skos:altLabel>
</owl:Class>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/Twin-likeStackingFault -->
<owl:Class rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/Twin-likeStackingFault">
<rdfs:subClassOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/StackingFault"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">A twin-like stacking fault is a type of stacking fault that possesses mirror symmetry about the fault plane.</obo:IAO_0000115>
<rdfs:label rdf:datatype="http://www.w3.org/2001/XMLSchema#string">Twin-like Stacking Fault</rdfs:label>
</owl:Class>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/TwinBoundary -->
<owl:Class rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/TwinBoundary">
<rdfs:subClassOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/PlanarDefect"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">A twin boundary is a planar defect that occurs between two separate crystals which are mirror images of each other. Both crystals have the same crystal structure.</obo:IAO_0000115>
<rdfs:label>Twin Boundary</rdfs:label>
</owl:Class>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/TwistGrainBoundary -->
<owl:Class rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/TwistGrainBoundary">
<rdfs:subClassOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/GrainBoundary"/>
<obo:IAO_0000115 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">A twist boundary is a grain boundary with a [uvw] rotation axis contained within the boundary plane.</obo:IAO_0000115>
<obo:IAO_0000119>ISBN 978-94-007-4968-9</obo:IAO_0000119>
<rdfs:label>Twist Grain Boundary</rdfs:label>
<skos:altLabel>Twist Boundary</skos:altLabel>
</owl:Class>
<!-- http://purls.helmholtz-metadaten.de/cdos/pldo/WorkOfSeparation -->
<owl:Class rdf:about="http://purls.helmholtz-metadaten.de/cdos/pldo/WorkOfSeparation">
<rdfs:subClassOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/CalculatedProperty"/>
<rdfs:subClassOf rdf:resource="http://purls.helmholtz-metadaten.de/cdos/pldo/Energy"/>
<rdfs:label rdf:datatype="http://www.w3.org/2001/XMLSchema#string">Work of Separation</rdfs:label>
</owl:Class>
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<rdf:Description rdf:about="http://www.w3.org/2004/02/skos/core#Collection">
<skos:definition xml:lang="en">A meaningful collection of concepts.</skos:definition>
</rdf:Description>
<rdf:Description rdf:about="http://www.w3.org/2004/02/skos/core#Concept">
<skos:definition xml:lang="en">An idea or notion; a unit of thought.</skos:definition>
</rdf:Description>
<rdf:Description rdf:about="http://www.w3.org/2004/02/skos/core#ConceptScheme">
<skos:definition xml:lang="en">A set of concepts, optionally including statements about semantic relationships between those concepts.</skos:definition>
<skos:example xml:lang="en">Thesauri, classification schemes, subject heading lists, taxonomies, 'folksonomies', and other types of controlled vocabulary are all examples of concept schemes. Concept schemes are also embedded in glossaries and terminologies.</skos:example>
</rdf:Description>
<rdf:Description rdf:about="http://www.w3.org/2004/02/skos/core#OrderedCollection">
<skos:definition xml:lang="en">An ordered collection of concepts, where both the grouping and the ordering are meaningful.</skos:definition>
</rdf:Description>
<rdf:Description rdf:about="http://www.w3.org/2004/02/skos/core#broadMatch">
<skos:definition xml:lang="en">skos:broadMatch is used to state a hierarchical mapping link between two conceptual resources in different concept schemes.</skos:definition>
</rdf:Description>
<rdf:Description rdf:about="http://www.w3.org/2004/02/skos/core#broader">
<skos:definition xml:lang="en">Relates a concept to a concept that is more general in meaning.</skos:definition>
</rdf:Description>
<rdf:Description rdf:about="http://www.w3.org/2004/02/skos/core#broaderTransitive">
<skos:definition>skos:broaderTransitive is a transitive superproperty of skos:broader.</skos:definition>
</rdf:Description>
<rdf:Description rdf:about="http://www.w3.org/2004/02/skos/core#changeNote">
<skos:definition xml:lang="en">A note about a modification to a concept.</skos:definition>
</rdf:Description>
<rdf:Description rdf:about="http://www.w3.org/2004/02/skos/core#closeMatch">
<skos:definition xml:lang="en">skos:closeMatch is used to link two concepts that are sufficiently similar that they can be used interchangeably in some information retrieval applications. In order to avoid the possibility of "compound errors" when combining mappings across more than two concept schemes, skos:closeMatch is not declared to be a transitive property.</skos:definition>
</rdf:Description>
<rdf:Description rdf:about="http://www.w3.org/2004/02/skos/core#editorialNote">
<skos:definition xml:lang="en">A note for an editor, translator or maintainer of the vocabulary.</skos:definition>
</rdf:Description>
<rdf:Description rdf:about="http://www.w3.org/2004/02/skos/core#exactMatch">
<skos:definition xml:lang="en">skos:exactMatch is used to link two concepts, indicating a high degree of confidence that the concepts can be used interchangeably across a wide range of information retrieval applications. skos:exactMatch is a transitive property, and is a sub-property of skos:closeMatch.</skos:definition>
</rdf:Description>
<rdf:Description rdf:about="http://www.w3.org/2004/02/skos/core#hasTopConcept">
<skos:definition xml:lang="en">Relates, by convention, a concept scheme to a concept which is topmost in the broader/narrower concept hierarchies for that scheme, providing an entry point to these hierarchies.</skos:definition>
</rdf:Description>
<rdf:Description rdf:about="http://www.w3.org/2004/02/skos/core#hiddenLabel">
<skos:definition xml:lang="en">A lexical label for a resource that should be hidden when generating visual displays of the resource, but should still be accessible to free text search operations.</skos:definition>
</rdf:Description>
<rdf:Description rdf:about="http://www.w3.org/2004/02/skos/core#historyNote">
<skos:definition xml:lang="en">A note about the past state/use/meaning of a concept.</skos:definition>
</rdf:Description>
<rdf:Description rdf:about="http://www.w3.org/2004/02/skos/core#inScheme">
<skos:definition xml:lang="en">Relates a resource (for example a concept) to a concept scheme in which it is included.</skos:definition>
</rdf:Description>
<rdf:Description rdf:about="http://www.w3.org/2004/02/skos/core#mappingRelation">
<skos:definition xml:lang="en">Relates two concepts coming, by convention, from different schemes, and that have comparable meanings</skos:definition>
</rdf:Description>
<rdf:Description rdf:about="http://www.w3.org/2004/02/skos/core#member">
<skos:definition xml:lang="en">Relates a collection to one of its members.</skos:definition>
</rdf:Description>
<rdf:Description rdf:about="http://www.w3.org/2004/02/skos/core#memberList">
<skos:definition xml:lang="en">Relates an ordered collection to the RDF list containing its members.</skos:definition>
</rdf:Description>
<rdf:Description rdf:about="http://www.w3.org/2004/02/skos/core#narrowMatch">
<skos:definition xml:lang="en">skos:narrowMatch is used to state a hierarchical mapping link between two conceptual resources in different concept schemes.</skos:definition>
</rdf:Description>
<rdf:Description rdf:about="http://www.w3.org/2004/02/skos/core#narrower">
<skos:definition xml:lang="en">Relates a concept to a concept that is more specific in meaning.</skos:definition>
</rdf:Description>
<rdf:Description rdf:about="http://www.w3.org/2004/02/skos/core#narrowerTransitive">
<skos:definition>skos:narrowerTransitive is a transitive superproperty of skos:narrower.</skos:definition>
</rdf:Description>
<rdf:Description rdf:about="http://www.w3.org/2004/02/skos/core#notation">
<skos:definition xml:lang="en">A notation, also known as classification code, is a string of characters such as "T58.5" or "303.4833" used to uniquely identify a concept within the scope of a given concept scheme.</skos:definition>
</rdf:Description>
<rdf:Description rdf:about="http://www.w3.org/2004/02/skos/core#related">
<skos:definition xml:lang="en">Relates a concept to a concept with which there is an associative semantic relationship.</skos:definition>
</rdf:Description>
<rdf:Description rdf:about="http://www.w3.org/2004/02/skos/core#relatedMatch">
<skos:definition xml:lang="en">skos:relatedMatch is used to state an associative mapping link between two conceptual resources in different concept schemes.</skos:definition>
</rdf:Description>
<rdf:Description rdf:about="http://www.w3.org/2004/02/skos/core#scopeNote">
<skos:definition xml:lang="en">A note that helps to clarify the meaning and/or the use of a concept.</skos:definition>
</rdf:Description>
<rdf:Description rdf:about="http://www.w3.org/2004/02/skos/core#semanticRelation">
<skos:definition xml:lang="en">Links a concept to a concept related by meaning.</skos:definition>
</rdf:Description>
<rdf:Description rdf:about="http://www.w3.org/2004/02/skos/core#topConceptOf">
<skos:definition xml:lang="en">Relates a concept to the concept scheme that it is a top level concept of.</skos:definition>
</rdf:Description>
</rdf:RDF>
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