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Stian Soiland-Reyes edited this page Mar 16, 2015 · 16 revisions

The latest version of the OWL ontology of PAV is always available from the PAV namespace:

Namespace / OWL Documentation
http://purl.org/pav/ http://purl.org/pav/html

Current version (v2.3):

Namespace versionIRI / OWL Documentation
http://purl.org/pav/ http://purl.org/pav/2.3 http://purl.org/pav/2.3/html

Versioning

PAV follows the Semantic versioning rules. In particular, for say v2.1.0, we consider that:

  • The major number (2.x.x) will increase if a change is breaking (such as removing or renaming a term). This will typically mean a new namespace.
  • The minor number (x.1.x) will increase if a change is non-breaking, but adds new functionality (such as a new term or OWL import)
  • The patch number (x.x.0) will increase if a change is a superficial bug-fix, such as changing typos or avoiding broken links.

Browse the tags for individual patch releases.

Example of import

Please note that the namespace is always http://purl.org/pav/ no matter which version of PAV 2.x is used.

@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix pav: <http://purl.org/pav/> .
<> a owl:Ontology ;
    # Lock down import to minor version 2.3
    owl:imports <http://purl.org/pav/2.3> .

You may want to owl:imports either the namespace, http://purl.org/pav/, to always get the latest version (2.x.x), or a particular (minor or patch) versionIRI, as above, in order to lock down the version.

Note that for compatibility reasons, http://purl.org/pav/ returns the OWL as RDF/XML, but with Content-Type: application/xml in order to present a human-readable version (by XSLT) for browsers accessing the namespace URI. Some OWL tools might not accept this media type, in such cases the versionIRI like http://purl.org/pav/2.1 should be used instead, which return the ontology with Content-Type: application/rdf+xml

The versionIRI stated in the OWL files always return the latest patch version (ie. http://purl.org/pav/2.1 might serve 2.1.2) - the idea being that for most cases you would want patch updates.

PAV ontology v2.3.1 (2014-08-28)

Namespace OWL Documentation
http://purl.org/pav/ http://purl.org/pav/2.3.1 http://purl.org/pav/2.3.1/html

Changes since v2.3.0:

  • Re-added owl:equivalentProperty to PAV 1.2 properties (which where unintentionally removed in 2.3.0)

PAV ontology v2.3.0 (2014-08-22)

Namespace OWL Documentation
http://purl.org/pav/ http://purl.org/pav/2.3.0 http://purl.org/pav/2.3.0/html

Changes since v2.2.0:

PAV ontology v2.2.0 (2013-08-30)

Namespace OWL Documentation
http://purl.org/pav/ http://purl.org/pav/2.2.0 http://purl.org/pav/2.2.0/html

Changes since v2.1.2:

  • DC Terms subproperties introduced:
    • pav:authoredBy subproperty of dcterms:creator (creation of content)
    • pav:createdBy subproperty of dcterms:creator (creation of representation)
    • pav:contributedBy subproperty of dcterms:contributor (contribution of content)
    • Avoids OWL import of http://purl.org/dc/terms/ - instead includes property definitions of the above
    • Remaining properties still mapped to DCTerms in SKOS
  • Description for date properties like pav:createdOn explain how to form an xsd:dateTime when time is unknown
  • Descriptions have clarified intended functionality, e.g. pav:authoredBy indicate the last authoring date.
  • Examples in descriptions further clarify the distinction between creation of representation and authoring of content.
  • added owl:isDefinedBy <http://purl.org/pav/> for PAV terms
  • HTML documentation includes hierarchy of referenced PROV and DCTerms superproperties, but not their labels (making it clear that they are not defined by PAV), see for example prov:wasRevisionOf

PAV ontology v2.1.2 (2013-08-16)

Namespace OWL Documentation
http://purl.org/pav/ http://purl.org/pav/2.1.2 http://purl.org/pav/2.1.2/html

Changes since v2.1.1:

PAV ontology v2.1.1 (2013-03-26)

Namespace OWL Documentation
http://purl.org/pav/ http://purl.org/pav/2.1.1 http://purl.org/pav/2.1.1/html

Changes since v2.1.0:

PAV ontology v2.1.0 (2013-02-27)

Namespace OWL Documentation
http://purl.org/pav/ http://purl.org/pav/2.1.0 http://purl.org/pav/2.1.0/html

Changes since v2.0:

  • Sub-property mapping to PROV-O. Note that PROV-O is not imported by PAV, so you may import http://www.w3.org/ns/prov#, for instance to get the inferred domains and ranges from PROV.
  • Includes introduction about PAV ontology
  • Descriptions of properties are elaborated with examples and relationships to each other
  • Backward compatibility with PAV 1.2 terms indicated using owl:equivalentProperty (Note that the ontology itself is owl:incompatibleWith, because several PAV 1 properties have changed names or are organized in a flatter hierarchy).
  • pav:curates marked as deprecated, use its inverse pav:curatedBy
  • owl:versionIRI does now does NOT end in a / - this is to avoid confusion between the versionIRI and the namespace (which stays unchanged).
  • HTML representation of ontology, made using LODE
  • OWL-file includes a little XSLT stylesheet so that accessing http://purl.org/pav/ in a browser will give links to the above HTML documentation
  • The individual URIs in the PAV namespace - like http://purl.org/pav/authoredBy - redirect to the OWL ontology

PAV ontology v2.0 (2012-04-04)

Namespace versionIRI / OWL Documentation
http://purl.org/pav/ http://purl.org/pav/2.0/ http://purl.org/pav/2.0/html
  • Initial release independent from SWAN
  • New namespace http://purl.org/pav/
  • Terms removed: acceptedOn, authors, contributors, curators, importedFirstOn, importedLastOn, importedWithId, lastUpdateBy, publishedBy, publishedOn, sourceFirstAccessedOn, submittedBy, submittedOn
  • Terms renamed: importedFromSource->importedFrom, versionNumber->version
  • Terms added: authoredOn, contributedOn, createdAt, createdWith, curatedOn, curates, derivedFrom, lastRefreshedOn, providedBy, retrievedBy, retrievedFrom, retrievedOn, sourceAccessedBy

Note that during development of PAV 2.0, the ontology was split into three modules (with a common namespace): provenance authoring and versioning - but these modules were later merged to the single PAV ontology. For backward-compatibility, these module versionIRIs now simply import the whole PAV ontology.

PAV Ontology v1.2 (2009-01-13)

Namespace OWL Documentation
http://swan.mindinformatics.org/ontologies/1.2/pav/ http://purl.org/pav/1.2/ http://purl.org/pav/1.2/html
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