@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: CentrifugalCompressor
<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 "2026-10-07"^^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_0000067 rdf:type owl:Class ;  # CompressionFunction
    rdfs:subClassOf iof-core:DesignedFunction ;
    rdfs:subClassOf [
        rdf:type owl:Restriction ;
        owl:onProperty bfo:BFO_0000054 ;  # realizedIn
        owl:allValuesFrom :COPI_0000435  # CompressionProcess
    ] ;
    rdfs:subClassOf [
        rdf:type owl:Restriction ;
        owl:onProperty bfo:BFO_0000054 ;  # realizedIn
        owl:someValuesFrom :COPI_0000435  # CompressionProcess
    ] ;
    rdfs:label "compression function"@en ;
    rdfs:label "função de compressão"@pt-br .

### Process type
:COPI_0000435 rdf:type owl:Class ;  # CompressionProcess
    rdfs:subClassOf :COPI_0000003 ;  # MomentumTransfer
    rdfs:label "compression process"@en ;
    rdfs:label "processo de compressão"@pt-br .

:COPI_0000003 rdf:type owl:Class .  # MomentumTransfer

:COPI_0000435  # CompressionProcess
    rdfs:subClassOf [
        rdf:type owl:Restriction ;
        owl:onProperty iof-core:hasInput ;
        owl:someValuesFrom :COPI_0000039  # PortionOfGas
    ] ;
    rdfs:subClassOf [
        rdf:type owl:Restriction ;
        owl:onProperty iof-core:hasSpecifiedOutput ;
        owl:someValuesFrom :COPI_0000039  # PortionOfGas
    ] .

### Equipment universal: CentrifugalCompressor
:COPI_0000101 rdf:type owl:Class ;  # CentrifugalCompressor
    rdfs:subClassOf :COPI_0000073 ;  # Compressor
    rdfs:subClassOf [
        rdf:type owl:Restriction ;
        owl:onProperty iof-core:hasFunction ;  # Object branch (MaterialArtifact/Assembly/Object/FiatObjectPart)
        owl:someValuesFrom :COPI_0000067  # CompressionFunction
    ] ;
    rdfs:subClassOf [
        rdf:type owl:Restriction ;
        owl:onProperty iof-core:hasComponentPartAtAllTimes ;
        owl:someValuesFrom :COPI_0000224  # CentrifugalCompressorCasing
    ] ;
    rdfs:label "centrifugal compressor"@en ;
    rdfs:label "compressor centrífugo"@pt-br ;
    iof-av:naturalLanguageDefinition "A centrifugal compressor is a compressor that uses one or more centrifugal impellers to accelerate gas through radial flow and generate pressure increase by centrifugal action."@en ;
    skos:definition "A centrifugal compressor is a compressor that uses one or more centrifugal impellers to accelerate gas through radial flow and generate pressure increase by centrifugal action."@en ;
    iof-av:naturalLanguageDefinition "Um compressor centrífugo é um compressor que usa um ou mais impelidores centrífugos para acelerar o gás através de fluxo radial e gerar aumento de pressão por ação centrífuga."@pt-br ;
    iof-av:semiFormalNaturalLanguageAxiom "Every centrifugal compressor is a compressor that has component part at all times some centrifugal impeller and participates in some radial flow pattern."@en ;
    iof-av:firstOrderLogicAxiom "∀x (CentrifugalCompressor(x) → Compressor(x) ∧ ∃i(CentrifugalImpeller(i) ∧ hasComponentPartAtAllTimes(x,i)) ∧ ∃p(RadialFlowPattern(p) ∧ participatesIn(x,p)))"@en ;
    iof-av:isPrimitive "true"^^xsd:boolean ;
    iof-av:primitiveRationale "Using necessary conditions for this constructive type because under OWA, any equipment with a centrifugal impeller could be incorrectly classified as a standard centrifugal compressor, including specialized hybrid equipment or multi-stage systems that contain centrifugal elements but should not be forced into this maintenance category. Domain expert validation needed to confirm structural differentia is sufficient."@en ;

:COPI_0000224 rdf:type owl:Class ;  # CentrifugalCompressorCasing
    rdfs:subClassOf iof-core:Assembly ;
    rdfs:label "invólucro"@pt-br ;
    rdfs:label "centrifugal compressor casing"@en .