exported
equivalent
temperature element
IRI:
http://www.inf.ufrgs.br/ontologies/copi#Temperatureelement
Generated on 2026-05-02
Natural Language Definition
EN
A temperature element is an instrument that bears a temperature sensing function.
PT-BR
Um elemento de temperatura é um instrumento que possui uma função de sensoreamento de temperatura.
Formal Axioms
Semi-formal (Aristotelian)
Every temperature element is a detecting element that has the function to sense temperature
First-Order Logic Theory
Loading…
▸ Stored override
∀x(TemperatureElement(x) ↔ DetectingElement(x) ∧ ∃f(TemperatureSensingFunction(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: TemperatureElement
<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 "2026-10-09"^^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_0000070 rdf:type owl:Class ; # TemperatureSensingFunction
rdfs:subClassOf iof-core:DesignedFunction ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty bfo:BFO_0000054 ; # realizedIn
owl:allValuesFrom :COPI_0000666 # TemperatureSensingProcess
] ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty bfo:BFO_0000054 ; # realizedIn
owl:someValuesFrom :COPI_0000666 # TemperatureSensingProcess
] ;
rdfs:label "temperature sensing function"@en ;
rdfs:label "função de sensoriamento de temperatura"@pt-br ;
iof-av:naturalLanguageDefinition "A designed function that is realized in a temperature measurement process."@en ;
skos:definition "A designed function that is realized in a temperature measurement process."@en ;
iof-av:naturalLanguageDefinition "Uma função projetada que é realizada em um processo de medição de temperatura."@pt-br .
### Process type
:COPI_0000666 rdf:type owl:Class ; # TemperatureSensingProcess
rdfs:subClassOf iof-core:MeasurementProcess ;
rdfs:label "temperature sensing process"@en ;
rdfs:label "processo de sensoriamento de temperatura"@pt-br ;
iof-av:naturalLanguageDefinition "A planned process in which thermal energy is detected and converted into a measurable signal representing the temperature of a process stream or component."@en ;
skos:definition "A planned process in which thermal energy is detected and converted into a measurable signal representing the temperature of a process stream or component."@en ;
iof-av:naturalLanguageDefinition "Um processo planejado em que energia térmica é detectada e convertida em um sinal mensurável que representa a temperatura de uma corrente de processo ou componente."@pt-br .
iof-core:MeasurementProcess rdf:type owl:Class .
:COPI_0000666 # TemperatureSensingProcess
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty iof-core:hasSpecifiedOutput ;
owl:someValuesFrom :COPI_0000047 # TemperatureMeasurementResult
] .
### Equipment universal: TemperatureElement
:COPI_0000076 rdf:type owl:Class ; # TemperatureElement
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_0000070 # TemperatureSensingFunction
]
)
] ;
rdfs:label "temperature element"@en ;
rdfs:label "elemento de temperatura"@pt-br ;
iof-av:naturalLanguageDefinition "A temperature element is an instrument that bears a temperature sensing function."@en ;
skos:definition "A temperature element is an instrument that bears a temperature sensing function."@en ;
iof-av:naturalLanguageDefinition "Um elemento de temperatura é um instrumento que possui uma função de sensoreamento de temperatura."@pt-br ;
iof-av:semiFormalNaturalLanguageAxiom "Every temperature element is a detecting element that has the function to sense temperature"@en ;
iof-av:firstOrderLogicAxiom "∀x(TemperatureElement(x) ↔ DetectingElement(x) ∧ ∃f(TemperatureSensingFunction(f) ∧ bearerOf(x,f)))"@en ;
dcterms:source <http://rds.posccaesar.org/ontology/plm/rdl/PCA_100004119> .
# Disjointness: TemperatureElement and PressureElement
[] rdf:type owl:AllDisjointClasses ;
owl:members ( :COPI_0000076 :COPI_0000142 ) . # TemperatureElement, PressureElement
# Disjointness: TemperatureElement and FlowElement
[] rdf:type owl:AllDisjointClasses ;
owl:members ( :COPI_0000076 :COPI_0000116 ) . # TemperatureElement, FlowElement
# Disjointness: TemperatureElement and LevelElement
[] rdf:type owl:AllDisjointClasses ;
owl:members ( :COPI_0000076 :COPI_0000128 ) . # TemperatureElement, LevelElement
Axiomatization Decision Log
1
Identity-Giving Function
Function class
TemperatureSensingFunction
⊑ DesignedFunction
Realized in
TemperatureSensingProcess
⊑ MeasurementProcess
The identity-giving function is to sense temperature - this is what makes a temperature element distinct from other types of sensing elements (pressure, flow, etc.). This is a subtype of sensing/detection functions focused specifically on thermal measurement.
✓
Expert review — Accepted
2
Genus Determination
Instrument
Both source definitions explicitly state this is 'a detecting element intended to sense temperature'. The parent_candidates list includes 'detecting element' from CFIHOS, which is the most specific appropriate superclass. This is more specific than the generic 'Instrumentation And Control Equipment' from POSC Caesar. Although not yet enriched in our ontology, 'detecting element' is the correct genus as it captures the sensing/detection nature while being more specific than MaterialArtifact.
✓
Expert review — Accepted
"genus: 'detecting element' (não enriquecido) → Instrument"
3
Necessary Parts
No necessary parts recorded (concept may be primitive at this level).
At this level of abstraction, we only identify the most fundamental part - the actual sensing element. Specific implementations (resistance elements, thermocouples, etc.) would have more specific parts defined at their subtype levels.
✓
Expert review — Accepted
4
Process Participation Signature ⟨I, O, T⟩
Inputs (I)
—
Outputs (O)
TemperatureMeasurementResult
— proportional to temperature
Transformation (T)
thermal to electrical signal transduction
Temperature elements transduce thermal energy from the measured medium into an electrical signal that represents the temperature value. The transformation is fundamentally thermal-to-electrical transduction.
✓
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
pressure element
flow element
level element
C2: pressure element, flow element, level element. C?: vibration element [unverifiable_class_not_in_db]. Temperature elements have incompatible process signatures with other sensing elements - they specifically sense thermal parameters rather than mechanical, fluid dynamic, or position parameters
Cross-Standard Observations
Both CFIHOS and POSC Caesar provide identical definitions, showing strong consensus on this concept. The definition is appropriately abstract, covering all temperature sensing technologies without committing to specific implementation mechanisms.
