exported
necessary
thin plate
IRI:
http://www.inf.ufrgs.br/ontologies/copi#Thinplate
Generated on 2026-05-04
Natural Language Definition
EN
A Plate that has thin thickness geometry and is manufactured through cold forming processes, typically used for structural support applications requiring reduced weight or specific geometric constraints.
PT-BR
Uma Placa que possui geometria de espessura fina e é fabricada através de processos de conformação a frio, tipicamente usada para aplicações de suporte estrutural que requerem peso reduzido ou restrições geométricas específicas.
Formal Axioms
Semi-formal (Aristotelian)
ThinPlate ⊑ Plate ⊓ ∃hasQuality.ThinThickness ⊓ ∃hasQuality.ColdFormedManufacturing
First-Order Logic Theory
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▸ Stored override
∀x(ThinPlate(x) → Plate(x) ∧ ∃q1(ThinThickness(q1) ∧ hasQuality(x,q1)) ∧ ∃q2(ColdFormedManufacturing(q2) ∧ hasQuality(x,q2)))
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: ThinPlate
<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_0000652 rdf:type owl:Class ; # StructuralSupportFunction
rdfs:subClassOf iof-core:DesignedFunction ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty bfo:BFO_0000054 ; # realizedIn
owl:allValuesFrom :COPI_0000653 # StructuralSupportProcess
] ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty bfo:BFO_0000054 ; # realizedIn
owl:someValuesFrom :COPI_0000653 # StructuralSupportProcess
] ;
rdfs:label "structural support function"@en ;
rdfs:label "função de suporte estrutural"@pt-br ;
iof-av:naturalLanguageDefinition "A DesignedFunction that is realized in a StructuralSupportProcess and that consists in providing mechanical support, load distribution, or structural integrity within an engineered system through a flat, planar configuration."@en ;
skos:definition "A DesignedFunction that is realized in a StructuralSupportProcess and that consists in providing mechanical support, load distribution, or structural integrity within an engineered system through a flat, planar configuration."@en .
### Process type
:COPI_0000653 rdf:type owl:Class ; # StructuralSupportProcess
rdfs:subClassOf iof-core:PlannedProcess ;
rdfs:label "structural support process"@en ;
rdfs:label "processo de suporte estrutural"@pt-br ;
iof-av:naturalLanguageDefinition "A PlannedProcess in which a structural element bears loads, distributes forces, or maintains structural integrity within a system, typically through its geometric configuration and material properties."@en ;
skos:definition "A PlannedProcess in which a structural element bears loads, distributes forces, or maintains structural integrity within a system, typically through its geometric configuration and material properties."@en .
### Equipment universal: ThinPlate
:COPI_0000360 rdf:type owl:Class ; # ThinPlate
rdfs:subClassOf iof-core:MaterialArtifact ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty iof-core:hasFunction ; # Object branch (MaterialArtifact/Assembly/Object/FiatObjectPart)
owl:someValuesFrom :COPI_0000652 # StructuralSupportFunction
] ;
rdfs:label "thin plate"@en ;
rdfs:label "Placa que possui geometria de espessura fina e"@pt-br ;
iof-av:naturalLanguageDefinition "A Plate that has thin thickness geometry and is manufactured through cold forming processes, typically used for structural support applications requiring reduced weight or specific geometric constraints."@en ;
skos:definition "A Plate that has thin thickness geometry and is manufactured through cold forming processes, typically used for structural support applications requiring reduced weight or specific geometric constraints."@en ;
iof-av:naturalLanguageDefinition "Uma Placa que possui geometria de espessura fina e é fabricada através de processos de conformação a frio, tipicamente usada para aplicações de suporte estrutural que requerem peso reduzido ou restrições geométricas específicas."@pt-br ;
iof-av:semiFormalNaturalLanguageAxiom "ThinPlate ⊑ Plate ⊓ ∃hasQuality.ThinThickness ⊓ ∃hasQuality.ColdFormedManufacturing"@en ;
iof-av:firstOrderLogicAxiom "∀x(ThinPlate(x) → Plate(x) ∧ ∃q1(ThinThickness(q1) ∧ hasQuality(x,q1)) ∧ ∃q2(ColdFormedManufacturing(q2) ∧ hasQuality(x,q2)))"@en ;
iof-av:isPrimitive "true"^^xsd:boolean ;
iof-av:primitiveRationale "Constructive type defined by physical geometry (thinness) and manufacturing method (cold forming). Under OWA, sufficient conditions for thin plates are difficult to specify without risking false positives from specialized hybrid structures that contain thin cold-formed elements but should not be classified as standard thin plates."@en ;
skos:definition "[ISO 15926-4] A <THIN PLATE> is a <PLATE> that is a thin steel plate format (Sheet plate) Normally made by coldforming"@en .
Axiomatization Decision Log
1
Identity-Giving Function
Function class
StructuralSupportFunction
⊑ DesignedFunction
Realized in
StructuralSupportProcess
⊑ PlannedProcess
Plates are fundamentally structural elements designed to bear loads, provide support, or act as structural barriers. This is the generic function that makes a plate a plate rather than another type of component.
2
Genus Determination
MaterialArtifact
bfo:Object (BFO_0000030)
Monolithic causally unified material artefact.
MaterialArtifact ≡ Object ⊓ ∃bearerOf.DesignedFunction.
The source explicitly states 'A <THIN PLATE> is a <PLATE>', making 'Plate' the immediate genus. Plate would be a MaterialArtifact as it is a designed artifact with intrinsic structural identity but typically monolithic rather than assembled.
3
Necessary Parts
No necessary parts recorded (concept may be primitive at this level).
No component terms are provided in the source standards, and the definition describes a monolithic structural element without identifiable subcomponents. Thin plates are typically single-piece manufactured items without discrete parts.
4
Process Participation Signature ⟨I, O, T⟩
Inputs (I)
—
Outputs (O)
—
Transformation (T)
structural support provision through thin planar geometry and material properties
Plates are passive structural elements that do not actively process material streams. They provide structural support, load distribution, or barrier functions through their geometric and material properties rather than through active transformation of inputs to outputs.
5
Axiom Mode Decision
Necessary conditions only
— modelled as a primitive universal
(⊑, SubClassOf). Identity is grounded in designed
function and cannot be reduced to a property checklist.
Constructive type defined by physical geometry (thinness) and manufacturing method (cold forming). Under OWA, sufficient conditions for thin plates are difficult to specify without risking false positives from specialized hybrid structures that contain thin cold-formed elements but should not be classified as standard thin plates.
Cross-Standard Observations
Only one source definition available. The definition is brief but clear in establishing the genus-species relationship and key differentiating characteristics.
