proposed
equivalent
fluid port
IRI:
http://www.inf.ufrgs.br/ontologies/copi#Fluidport
Generated on 2026-08-08
Natural Language Definition
EN
A port that allows for the entry or exit of substances that behave as fluids, that is gases, liquids and fluidized solids.
PT-BR
Uma porta que permite a entrada ou saída de substâncias que se comportam como fluidos, isto é, gases, líquidos e sólidos fluidizados.
Formal Axioms
First-Order Logic Theory
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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: FluidPort
<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
:FluidEntryExitFunction rdf:type owl:Class ;
rdfs:subClassOf iof-core:DesignedFunction ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty bfo:BFO_0000054 ; # realizedIn
owl:allValuesFrom :FluidEntryExitProcess
] ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty bfo:BFO_0000054 ; # realizedIn
owl:someValuesFrom :FluidEntryExitProcess
] ;
rdfs:label "fluid entry exit function"@en .
### Process type
:FluidEntryExitProcess rdf:type owl:Class ;
rdfs:subClassOf iof-core:PlannedProcess ;
rdfs:label "fluid entry exit process"@en .
:FluidEntryExitProcess
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 :COPI_0000037 # PortionOfFluid
] .
### Equipment universal: FluidPort
:COPI_0000536 rdf:type owl:Class ; # FluidPort
owl:equivalentClass [
rdf:type owl:Class ;
owl:intersectionOf (
:COPI_0000329 # Port
[
rdf:type owl:Restriction ;
owl:onProperty iof-core:hasFunction ; # Object branch (MaterialArtifact/Assembly/Object/FiatObjectPart)
owl:someValuesFrom :FluidEntryExitFunction
]
)
] ;
rdfs:label "fluid port"@en ;
rdfs:label "porta de fluido"@pt-br ;
iof-av:naturalLanguageDefinition "A port that allows for the entry or exit of substances that behave as fluids, that is gases, liquids and fluidized solids."@en ;
skos:definition "A port that allows for the entry or exit of substances that behave as fluids, that is gases, liquids and fluidized solids."@en ;
iof-av:naturalLanguageDefinition "Uma porta que permite a entrada ou saída de substâncias que se comportam como fluidos, isto é, gases, líquidos e sólidos fluidizados."@pt-br ;
skos:definition "[ISO 15926-4] A <FLUID PORT> is a <PORT> that allows for the entry or exit of substances that behave as fluids, i.e. gases, liquids and fluidized solids"@en .
Axiomatization Decision Log
1
Identity-Giving Function
Function class
FluidEntryExitFunction
⊑ DesignedFunction
Realized in
FluidEntryExitProcess
⊑ PlannedProcess
ISO 15926 defines it by what it permits — 'allows for the entry or exit of substances that behave as fluids' — a functional specification with no structural constraint.
2
Genus Determination
Port
ISO 15926 states the genus explicitly: a FLUID PORT is a PORT. COPI already enriches 'port' (MaterialArtifact, InterfacingFunction), so the genus is available and enriched.
3
Necessary Parts
No necessary parts recorded (concept may be primitive at this level).
Parts named in the differentia are not asserted as necessary_parts: validate_necessary_parts_quotes() requires each part to carry a verbatim source_quote, and these come from the definition of this entry itself rather than from a standard stating a component relationship. Left empty pending expert review.
4
Process Participation Signature ⟨I, O, T⟩
Inputs (I)
PortionOfFluid
— fluid presented at the port boundary
Outputs (O)
PortionOfFluid
— same fluid admitted into or discharged from the enclosing artifact
Transformation (T)
admission or discharge of a fluid across the boundary of an artifact
The port does not transform the fluid; it is the boundary crossing itself. ISO's 'gases, liquids and fluidized solids' is exactly PortionOfFluid.
5
Axiom Mode Decision
Necessary + Sufficient
— modelled as a defined class
(≡, EquivalentClass). Automatic classification is
appropriate for this concept.
Reviewer Notes
ODR-022 §13 coverage audit: standard term bearing a DesignedFunction that held a numeric IRI without an axiomatization. Referenced from necessary_parts of 'hydraulic pump' and 'pipe tee'; also the parent of SuctionPort / DischargePort / BranchPort. Awaiting expert review.
