@prefix owl:                     <http://www.w3.org/2002/07/owl#> .
@prefix xsd:                     <http://www.w3.org/2001/XMLSchema#> .
@prefix rdfs:                    <http://www.w3.org/2000/01/rdf-schema#> .
@prefix rdf:                     <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix adms:                    <http://www.w3.org/ns/adms#> .
@prefix dc:                      <http://purl.org/dc/elements/1.1/> .
@prefix dcterms:                 <http://purl.org/dc/terms/> .
@prefix bibo:                    <http://purl.org/ontology/bibo/> .
@prefix vaem:                    <http://www.linkedmodel.org/schema/vaem> .
@prefix vann:                    <http://purl.org/vocab/vann/> .
@prefix pav:                     <http://purl.org/pav/> .
@prefix prov:                    <http://www.w3.org/ns/prov#> .
@prefix cc:                      <http://creativecommons.org/ns#> .

@prefix skos:                    <http://www.w3.org/2004/02/skos/core#> .
@prefix schema:                  <http://schema.org/> .
@prefix arch:                    <https://meta.linked.archi/core#> .
@prefix :                        <https://meta.linked.archi/iso25011#> .

<https://meta.linked.archi/iso25011#>
    rdf:type owl:Ontology ;
    cc:license                    "http://creativecommons.org/licenses/by/4.0/" ;
    vann:preferredNamespaceUri    "https://meta.linked.archi/iso25011#" ;
    vann:preferredNamespacePrefix "iso25011" ;
    dcterms:creator               "Kalin Maldzhanski"^^xsd:string ;
    dc:title                      "Linked.Archi ISO/IEC 25011 IT Service Quality Model"@en ;
    dc:description                '''
Ontology of IT service quality characteristics from ISO/IEC 25011.
ITServiceQuality is the root owl:Class (subClassOf arch:QualityAttribute).
The nine service quality characteristics are owl:NamedIndividual instances of ITServiceQuality —
vocabulary terms referenced by arch:QualityMeasure and ad:QualityAttributeRequirement.
                                   '''@en ;
    dc:source                     <https://www.iso.org/standard/78180.html> ;
    dcterms:abstract              '''
IT service quality characteristics from ISO/IEC 25011, modelled as a class/individual hierarchy
for use in service quality evaluation and architecture assessment.
      '''@en ;
    dcterms:created               "2020-07-27"^^xsd:date ;
    dcterms:issued                "2020-07-27"^^xsd:date ;
    dcterms:modified              "2026-05-02"^^xsd:date ;
    dc:publisher
                                  "Linked.Archi"@en,
                                  <https://linked.archi> ;
    bibo:status                   "draft" ;
    owl:versionIRI                <https://meta.linked.archi/iso25011/0.2.0#> ;
    owl:versionInfo               "0.2.0" ;
    owl:priorVersion              <https://meta.linked.archi/iso25011/0.1.0#> ;
    schema:citation               "ISO/IEC 25011 Systems and software engineering — Systems and software Quality Requirements and Evaluation (SQuaRE) — Service quality model" ;
    schema:logo                   <https://iso25000.com/images/header_iso25000_en.png> ;
    prov:wasDerivedFrom           "ISO/IEC 25011" ;
    rdfs:seeAlso                  <https://iso25000.com/index.php/en/iso-25000-standards/iso-25011>,
                                  <https://www.iso.org/standard/78180.html> ;
.


## ═══════════════════════════════════════════════════════════════════════════════
## Root quality model class
## ═══════════════════════════════════════════════════════════════════════════════

:ITServiceQuality
    a               owl:Class ;
    rdfs:subClassOf arch:QualityAttribute ;
    skos:prefLabel  "IT Service Quality"@en ;
    skos:definition "The totality of characteristics of an IT service that bear on its ability to satisfy stated and implied needs of the service consumer."@en ;
.


## ═══════════════════════════════════════════════════════════════════════════════
## Service quality characteristics — owl:NamedIndividual (vocabulary terms)
##
## Referenced by arch:QualityMeasure via arch:measuredQualityAttribute
## and by ad:QualityAttributeRequirement via ad:onQualityAttribute.
## ═══════════════════════════════════════════════════════════════════════════════

:Availability
    a               owl:NamedIndividual, :ITServiceQuality ;
    skos:prefLabel  "Availability"@en ;
    skos:definition "Degree to which an IT service is operational and accessible when required for use by the service consumer."@en ;
.

:Responsiveness
    a               owl:NamedIndividual, :ITServiceQuality ;
    skos:prefLabel  "Responsiveness"@en ;
    skos:definition "Degree to which the response times, processing times, and throughput rates of an IT service meet the requirements of the service consumer."@en ;
.

:Integrity
    a               owl:NamedIndividual, :ITServiceQuality ;
    skos:prefLabel  "Integrity"@en ;
    skos:definition "Degree to which an IT service prevents unauthorized access to, or modification of, data and ensures that data is accurate and complete."@en ;
.

:Usability
    a               owl:NamedIndividual, :ITServiceQuality ;
    skos:prefLabel  "Usability"@en ;
    skos:definition "Degree to which an IT service can be used by specified consumers to achieve specified goals with effectiveness, efficiency, and satisfaction."@en ;
.

:Portability
    a               owl:NamedIndividual, :ITServiceQuality ;
    skos:prefLabel  "Portability"@en ;
    skos:definition "Degree to which an IT service can be transferred from one environment to another while maintaining its quality characteristics."@en ;
.

:Recoverability
    a               owl:NamedIndividual, :ITServiceQuality ;
    skos:prefLabel  "Recoverability"@en ;
    skos:definition "Degree to which an IT service can re-establish its specified levels of performance and recover the data directly affected after an interruption or failure."@en ;
.

:Capacity
    a               owl:NamedIndividual, :ITServiceQuality ;
    skos:prefLabel  "Capacity"@en ;
    skos:definition "Degree to which the maximum limits of an IT service parameter meet the requirements of the service consumer under expected and peak load conditions."@en ;
.

:Continuity
    a               owl:NamedIndividual, :ITServiceQuality ;
    skos:prefLabel  "Continuity"@en ;
    skos:definition "Degree to which an IT service can continue to operate at acceptable predefined levels during and after a disruptive event."@en ;
.

:Security
    a               owl:NamedIndividual, :ITServiceQuality ;
    skos:prefLabel  "Security"@en ;
    skos:definition "Degree to which an IT service protects information and data so that persons or other systems have the degree of access appropriate to their types and levels of authorization."@en ;
.