@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: DifferentialPressureSwitch
<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_0000471 rdf:type owl:Class ;  # DifferentialPressureSwitchingFunction
    rdfs:subClassOf iof-core:DesignedFunction ;
    rdfs:subClassOf [
        rdf:type owl:Restriction ;
        owl:onProperty bfo:BFO_0000054 ;  # realizedIn
        owl:allValuesFrom :COPI_0000472  # DifferentialPressureSwitchingProcess
    ] ;
    rdfs:subClassOf [
        rdf:type owl:Restriction ;
        owl:onProperty bfo:BFO_0000054 ;  # realizedIn
        owl:someValuesFrom :COPI_0000472  # DifferentialPressureSwitchingProcess
    ] ;
    rdfs:label "differential pressure switching function"@en ;
    rdfs:label "função de chaveamento por pressão diferencial"@pt-br .

### Process type
:COPI_0000472 rdf:type owl:Class ;  # DifferentialPressureSwitchingProcess
    rdfs:subClassOf iof-core:MeasurementProcess ;
    rdfs:label "differential pressure switching process"@en ;
    rdfs:label "processo de chaveamento por pressão diferencial"@pt-br .

iof-core:MeasurementProcess rdf:type owl:Class .

:COPI_0000472  # DifferentialPressureSwitchingProcess
    rdfs:subClassOf [
        rdf:type owl:Restriction ;
        owl:onProperty iof-core:hasInput ;
        owl:someValuesFrom :COPI_0000037  # PortionOfFluid
    ] ;
    rdfs:subClassOf [
        rdf:type owl:Restriction ;
        owl:onProperty iof-core:hasSpecifiedOutput ;
        owl:someValuesFrom iof-core:InformationContentEntity
    ] .

### Equipment universal: DifferentialPressureSwitch
:COPI_0000252 rdf:type owl:Class ;  # DifferentialPressureSwitch
    owl:equivalentClass [
        rdf:type owl:Class ;
        owl:intersectionOf (
            :COPI_0000091  # Instrument
            [
        rdf:type owl:Restriction ;
        owl:onProperty iof-core:hasFunction ;  # Object branch (MaterialArtifact/Assembly/Object/FiatObjectPart)
        owl:someValuesFrom :COPI_0000471  # DifferentialPressureSwitchingFunction
    ]
        )
    ] ;
    rdfs:label "differential pressure switch"@en ;
    rdfs:label "interruptor de pressão diferencial"@pt-br ;
    iof-av:naturalLanguageDefinition "A differential pressure switch is a pressure switch that bears a differential pressure switching function to switch or provide on/off signals when the measured differential pressure between two inputs reaches a pre-set value."@en ;
    skos:definition "A differential pressure switch is a pressure switch that bears a differential pressure switching function to switch or provide on/off signals when the measured differential pressure between two inputs reaches a pre-set value."@en ;
    iof-av:naturalLanguageDefinition "Um interruptor de pressão diferencial é um interruptor de pressão que possui uma função de comutação de pressão diferencial para comutar ou fornecer sinais liga/desliga quando a pressão diferencial medida entre duas entradas atinge um valor pré-estabelecido."@pt-br ;
    iof-av:semiFormalNaturalLanguageAxiom "Every differential pressure switch is a pressure switch that has the function to switch based on differential pressure measurements between two pressure inputs."@en ;
    iof-av:firstOrderLogicAxiom "∀x(DifferentialPressureSwitch(x) ↔ PressureSwitch(x) ∧ ∃f(DifferentialPressureSwitchingFunction(f) ∧ bearerOf(x,f)))"@en ;

# Disjointness: DifferentialPressureSwitch and FlowSwitch
[] rdf:type owl:AllDisjointClasses ;
    owl:members ( :COPI_0000252 :COPI_0000279 ) .  # DifferentialPressureSwitch, FlowSwitch

# Disjointness: DifferentialPressureSwitch and LevelSwitch
[] rdf:type owl:AllDisjointClasses ;
    owl:members ( :COPI_0000252 :COPI_0000309 ) .  # DifferentialPressureSwitch, LevelSwitch