@prefix copi:    <https://www.inf.ufrgs.br/ontologies/copi/> .
@prefix :         <https://www.inf.ufrgs.br/ontologies/copi/> .
@prefix owl:      <http://www.w3.org/2002/07/owl#> .
@prefix rdf:      <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs:     <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd:      <http://www.w3.org/2001/XMLSchema#> .
@prefix bfo:      <http://purl.obolibrary.org/obo/> .
@prefix iof-core: <https://spec.industrialontologies.org/ontology/construct/> .
@prefix iof-av:   <https://spec.industrialontologies.org/ontology/annotation/> .
@prefix skos:     <http://www.w3.org/2004/02/skos/core#> .
@prefix qudt:     <http://qudt.org/schema/qudt/> .
@prefix dcterms:  <http://purl.org/dc/terms/> .
@prefix foaf:     <http://xmlns.com/foaf/0.1/> .
@prefix apv:      <http://inf.ufrgs.br/ontologies/apv#> .

### COPI — Core Ontology for Petroleum Installations
### Class module: Shaft
<https://www.inf.ufrgs.br/ontologies/copi>
    rdf:type owl:Ontology ;
    dcterms:title "Core Ontology for Petroleum Installations (COPI)"@en ;
    dcterms:title "Ontologia Core para Instalações de Petróleo (COPI)"@pt-br ;
    dcterms:description "BFO/IOF-Core conformant ontology of equipment classes for petroleum production plants, developed using the five-step RDL enrichment method."@en ;
    skos:scopeNote "Material artifacts (bfo:material_entity) that (i) are part of a petroleum production plant, and (ii) bear at least one function whose realization involves the transport (e.g. production and injection), processing (separation and other processes), control, monitoring, measurement, containment or offloading of material or energy."@en ;
    skos:scopeNote "Artefatos materiais (bfo:material_entity) que (i) fazem parte de uma planta de produção de petróleo, e (ii) possuem ao menos uma função cuja realização envolve o transporte (p. ex. produção e injeção), processamento (separação e outros processos), controle, monitoramento, medição, contenção ou escoamento de material ou energia."@pt-br ;
    skos:scopeNote "COPI provides high-level equipment categories defined by function to demonstrate the defined-class mechanism. Equipment subtypes are annotated with references to CFIHOS and PCA RDL terms. COPI is not a reference data library; organizations should use CFIHOS, PCA RDL, or ISO 14224 for comprehensive equipment classification."@en ;
    skos:scopeNote "COPI fornece categorias de alto nível de equipamentos definidas por função para demonstrar o mecanismo de classe definida. Os subtipos de equipamentos são anotados com referências aos termos do CFIHOS e do PCA RDL. COPI não é uma biblioteca de dados de referência; organizações devem utilizar o CFIHOS, o PCA RDL ou a ISO 14224 para classificação abrangente de equipamentos."@pt-br ;
    owl:versionInfo "1.1.0" ;
    owl:imports <https://spec.industrialontologies.org/ontology/core/Core/> ;
    owl:imports <http://purl.obolibrary.org/obo/bfo/2020/bfo.owl> ;
    dcterms:creator "Nicolau Oyhenard dos Santos"@en ;
    dcterms:contributor "Cauã Antunes" ;
    dcterms:contributor "Haroldo Rojas" ;
    dcterms:contributor "Rafael Petry" ;
    dcterms:contributor "Régis Romeu" ;
    dcterms:contributor "Mara Abel" ;
    dcterms:isPartOf <https://inf.ufrgs.br/projetos/OntoKG> ;
    dcterms:publisher "Universidade Federal do Rio Grande do Sul (UFRGS)"@en ;
    dcterms:license <https://creativecommons.org/licenses/by/4.0/> ;
    dcterms:created "2026-04-08"^^xsd:date ;
    dcterms:modified "2026-10-08"^^xsd:date ;
    apv:GlobalMinLanguageCoverage "en pt-br" ;
    apv:ClassURIFormationRule "https://www[.]inf[.]ufrgs[.]br/ontologies/copi/(COPI_[0-9]{7}|[A-Z][A-Za-z0-9]*)" ;
    apv:ClassMinAnnotationCoverage "rdfs:label https://spec.industrialontologies.org/ontology/annotation/naturalLanguageDefinition" .

iof-av:naturalLanguageDefinition rdf:type owl:AnnotationProperty ;
    apv:MinAnnotationLength 20 .

### Identity-giving function
:COPI_0000192 rdf:type owl:Class ;  # PowerTransmissionFunction
    rdfs:subClassOf iof-core:DesignedFunction ;
    rdfs:subClassOf [
        rdf:type owl:Restriction ;
        owl:onProperty bfo:BFO_0000054 ;  # realizedIn
        owl:allValuesFrom :COPI_0000604  # PowerTransmissionProcess
    ] ;
    rdfs:subClassOf [
        rdf:type owl:Restriction ;
        owl:onProperty bfo:BFO_0000054 ;  # realizedIn
        owl:someValuesFrom :COPI_0000604  # PowerTransmissionProcess
    ] ;
    rdfs:label "power transmission function"@en ;
    rdfs:label "função de transmissão de potência"@pt-br ;
    iof-av:naturalLanguageDefinition "A DesignedFunction that is realized in a PowerTransmissionProcess and that consists in the capacity to transmit mechanical energy from a prime mover through rotational motion or to generate energy when acting as a driven element."@en ;
    skos:definition "A DesignedFunction that is realized in a PowerTransmissionProcess and that consists in the capacity to transmit mechanical energy from a prime mover through rotational motion or to generate energy when acting as a driven element."@en .

### Process type
:COPI_0000604 rdf:type owl:Class ;  # PowerTransmissionProcess
    rdfs:subClassOf iof-core:PlannedProcess ;
    rdfs:label "power transmission process"@en ;
    rdfs:label "processo de transmissão de potência"@pt-br ;
    iof-av:naturalLanguageDefinition "A PlannedProcess in which mechanical energy is transmitted through rotational motion from one component to another via a rotating shaft, enabling the transfer of torque and angular velocity to mounted components."@en ;
    skos:definition "A PlannedProcess in which mechanical energy is transmitted through rotational motion from one component to another via a rotating shaft, enabling the transfer of torque and angular velocity to mounted components."@en .

### Equipment universal: Shaft
:COPI_0000346 rdf:type owl:Class ;  # Shaft
    rdfs:subClassOf iof-core:Assembly ;
    rdfs:subClassOf [
        rdf:type owl:Restriction ;
        owl:onProperty iof-core:hasFunction ;  # Object branch (MaterialArtifact/Assembly/Object/FiatObjectPart)
        owl:someValuesFrom :COPI_0000192  # PowerTransmissionFunction
    ] ;
    rdfs:label "shaft"@en ;
    rdfs:label "eixo"@pt-br ;
    iof-av:naturalLanguageDefinition "An Assembly that bears a PowerTransmissionFunction and that has component parts including shaft keys for torque transmission and shaft seals for leakage prevention, serving as the core rotating element in rotating machinery."@en ;
    skos:definition "An Assembly that bears a PowerTransmissionFunction and that has component parts including shaft keys for torque transmission and shaft seals for leakage prevention, serving as the core rotating element in rotating machinery."@en ;
    iof-av:naturalLanguageDefinition "Um Assembly que porta uma PowerTransmissionFunction e que possui partes componentes incluindo chavetas de eixo para transmissão de torque e vedações de eixo para prevenção de vazamento, servindo como o elemento rotativo central em máquinas rotativas."@pt-br ;
    iof-av:isPrimitive "true"^^xsd:boolean ;
    iof-av:primitiveRationale "Constructive classification based on physical structure. Under OWA, sufficient conditions for shaft identity could lead to false positives - any assembly with a shaft key and rotational motion might be classified as a shaft rather than a more specific equipment type that contains a shaft. The structural differentia provides necessary conditions while allowing domain experts to validate sufficiency."@en ;
    rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000196 ; owl:someValuesFrom :COPI_0000059 ] ;