exported
equivalent
pressure element
IRI:
http://www.inf.ufrgs.br/ontologies/copi#Pressureelement
Generated on 2026-05-02
Natural Language Definition
EN
A pressure element is an instrument that bears a pressure sensing function.
PT-BR
Um elemento de pressão é um instrumento que possui uma função de detecção de pressão.
Formal Axioms
Semi-formal (Aristotelian)
Every pressure element is a detecting element that has the function of sensing pressure
First-Order Logic Theory
Loading…
▸ Stored override
∀x(PressureElement(x) ↔ DetectingElement(x) ∧ ∃f(PressureSensingFunction(f) ∧ bearerOf(x,f)))
OWL 2 / Turtle
@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: PressureElement
<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_0000177 rdf:type owl:Class ; # PressureSensingFunction
rdfs:subClassOf iof-core:DesignedFunction ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty bfo:BFO_0000054 ; # realizedIn
owl:allValuesFrom :COPI_0000611 # PressureSensingProcess
] ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty bfo:BFO_0000054 ; # realizedIn
owl:someValuesFrom :COPI_0000611 # PressureSensingProcess
] ;
rdfs:label "pressure sensing function"@en ;
rdfs:label "função de sensoriamento de pressão"@pt-br .
### Process type
:COPI_0000611 rdf:type owl:Class ; # PressureSensingProcess
rdfs:subClassOf iof-core:MeasurementProcess ;
rdfs:label "pressure sensing process"@en ;
rdfs:label "processo de sensoriamento de pressão"@pt-br .
iof-core:MeasurementProcess rdf:type owl:Class .
:COPI_0000611 # PressureSensingProcess
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty iof-core:hasSpecifiedOutput ;
owl:someValuesFrom iof-core:InformationContentEntity
] .
### Equipment universal: PressureElement
:COPI_0000142 rdf:type owl:Class ; # PressureElement
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_0000177 # PressureSensingFunction
]
)
] ;
rdfs:label "pressure element"@en ;
rdfs:label "elemento de pressão"@pt-br ;
iof-av:naturalLanguageDefinition "A pressure element is an instrument that bears a pressure sensing function."@en ;
skos:definition "A pressure element is an instrument that bears a pressure sensing function."@en ;
iof-av:naturalLanguageDefinition "Um elemento de pressão é um instrumento que possui uma função de detecção de pressão."@pt-br ;
skos:definition "[CFIHOS] A detecting element intended to sense pressure."@en ;
skos:definition "[POSC Caesar] A detecting element intended to sense pressure."@en .
# Disjointness: PressureElement and TemperatureElement
[] rdf:type owl:AllDisjointClasses ;
owl:members ( :COPI_0000142 :COPI_0000076 ) . # PressureElement, TemperatureElement
# Disjointness: PressureElement and FlowElement
[] rdf:type owl:AllDisjointClasses ;
owl:members ( :COPI_0000142 :COPI_0000116 ) . # PressureElement, FlowElement
# Disjointness: PressureElement and LevelElement
[] rdf:type owl:AllDisjointClasses ;
owl:members ( :COPI_0000142 :COPI_0000128 ) . # PressureElement, LevelElement
Axiomatization Decision Log
1
Identity-Giving Function
Function class
PressureSensingFunction
⊑ DesignedFunction
Realized in
PressureSensingProcess
⊑ MeasurementProcess
The identity-giving function is sensing pressure - converting pressure variations into detectable signals or responses. This is what makes a pressure element distinct from other detecting elements like temperature or flow elements.
✓
Expert review — Accepted
2
Genus Determination
Instrument
The most specific superclass is 'detecting element' from CFIHOS. This is more specific than 'Instrumentation And Control Equipment' from POSC Caesar. DetectingElement represents devices that sense physical parameters - pressure element is a subtype that specifically senses pressure.
✓
Expert review — Accepted
"genus: DetectingElement (não enriquecido) → Instrument"
3
Necessary Parts
No necessary parts recorded (concept may be primitive at this level).
A pressure element requires a pressure-responsive component to function, though the specific mechanism can vary (mechanical, electronic, etc.)
✓
Expert review — Accepted
4
Process Participation Signature ⟨I, O, T⟩
Inputs (I)
—
Outputs (O)
InformationContentEntity
— proportional to pressure
Transformation (T)
pressure-to-signal transduction
Pressure elements transduce pressure variations into detectable signals (mechanical displacement, electrical signal, etc.)
✓
Expert review — Accepted
5
Axiom Mode Decision
Necessary + Sufficient
— modelled as a defined class
(≡, EquivalentClass). Automatic classification is
appropriate for this concept.
✓
Expert review — Accepted
Disjointness Axioms
temperature element
flow element
level element
C2: temperature element, flow element, level element. Different sensing functions are mutually exclusive - a single element cannot simultaneously sense pressure and temperature as distinct parameters
Cross-Standard Observations
Both CFIHOS and POSC Caesar provide identical definitions, showing strong consensus on this concept as a pressure-sensing detecting element
