A Framework for Bond-Graph Modelling

Metadata

IRI: https://bg-rdf.org/ontologies/bondgraph-framework
Title: A Framework for Bond-Graph Modelling
Version Iri: https://bg-rdf.org/ontologies/versioned/bondgraph-framework/2026-01-21-ontology.ttl
Version Info: 2026-01-21
Prior Version: https://bg-rdf.org/ontologies/versioned/bondgraph-framework/2025-08-13-ontology.html

https://bg-rdf.org/ontologies/versioned/bondgraph-framework/2025-08-13-ontology.ttl

Classes

Physical Domain ^c

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#PhysicalDomain`
Description	A physical domain in which energy is carried by some quantity.
In Domain Of	bgf:hasConstant ^op bgf:hasPotential ^op bgf:hasFlow ^op bgf:hasQuantity ^op
In Range Of	bgf:hasDomain ^dp

Quantity ^c

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#Quantity`
Description	A carrier of energy in a physical domain.

Flow ^c

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#Flow`
Description	The rate of change of a physical domain's quantity.

Potential ^c

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#Potential`
Description	The energy gradient with respect to quantity in a physical domain.

Bondgraph Model ^c

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#BondgraphModel`
Sub Class Of	bg:BondGraph
In Domain Of	bgf:usesTemplate ^dp bgf:hasBlock ^dp bgf:hasBondElement ^op bgf:hasJunctionStructure ^op bgf:hasPowerBond ^op

Bond Element ^c

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#BondElement`
Sub Class Of	bg:BondElement
In Domain Of	bgf:parameterValue ^op bgf:variableValue ^op
In Range Of	bgf:hasBondElement ^op
Super Class Of	Static energy store Dynamic energy store Dissipative element Potential source Flow source

Junction Structure ^c

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#JunctionStructure`
Sub Class Of	bg:JunctionStructure
In Range Of	bgf:hasJunctionStructure ^op bgf:junctionStructure ^op
Super Class Of	One node Transform node Zero node

Power Bond ^c

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#PowerBond`
Description	A connection between two PowerPorts over which power is transfered.
Sub Class Of	bg:PowerBond
In Domain Of	bgf:hasSource ^op bgf:hasTarget ^op
In Range Of	bgf:hasPowerBond ^op

Power Port ^c

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#PowerPort`
Description	A port of a BondElement or JunctionStructure through which power is transfered.
Sub Class Of	bg:PowerPort
In Domain Of	bgf:hasDomain ^dp
In Range Of	bgf:hasSource ^op bgf:hasTarget ^op

Composite Element ^c

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#CompositeElement`
Description	A composite of a bgf:BondElement and a bgf:JunctionStructure, for example a bgf:bgf:ZeroStorageNode.

Element Template ^c

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#ElementTemplate`
In Domain Of	bgf:constitutiveRelation ^dp bgf:hasPort ^op bgf:hasParameter ^op bgf:hasVariable ^op
In Range Of	bgf:elementTemplate ^op

Composite Template ^c

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#CompositeTemplate`
In Domain Of	bgf:elementTemplate ^op bgf:junctionStructure ^op

Constant ^c

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#Constant`

Value ^c

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#Value`
In Domain Of	bgf:hasSymbol ^dp
In Range Of	bgf:parameterValue ^op bgf:variableValue ^op

Variable ^c

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#Variable`
In Domain Of	bgf:hasUnits ^dp
In Range Of	bgf:hasConstant ^op bgf:hasParameter ^op bgf:hasVariable ^op bgf:hasPotential ^op bgf:hasFlow ^op bgf:hasQuantity ^op

Inward Port ^c

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#InwardPort`

Outward Port ^c

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#OutwardPort`

Object Properties

has bond element ^op

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#hasBondElement`
Domain	bgf:BondgraphModel ^c
Range	bgf:BondElement ^c

has junction structure ^op

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#hasJunctionStructure`
Domain	bgf:BondgraphModel ^c
Range	bgf:JunctionStructure ^c

has power bond ^op

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#hasPowerBond`
Domain	bgf:BondgraphModel ^c
Range	bgf:PowerBond ^c

direction ^op

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#direction`
Description	The inward or outward direction of a power port of a multi-port Bond Element.

has constant ^op

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#hasConstant`
Domain	bgf:PhysicalDomain ^c
Range	bgf:Variable ^c

has port ^op

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#hasPort`
Domain	bgf:ElementTemplate ^c

has parameter ^op

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#hasParameter`
Description	A parameter for the constitutive relation of a Bond Element.
Domain	bgf:ElementTemplate ^c
Range	bgf:Variable ^c

has variable ^op

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#hasVariable`
Description	A non-parameter variable in the constitutive relation of a Bond Element that could be assigned a value.
Domain	bgf:ElementTemplate ^c
Range	bgf:Variable ^c

parameter value ^op

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#parameterValue`
Description	A value to assign to a parameter of a bond element
Domain	bgf:BondElement ^c
Range	bgf:Value ^c

variable value ^op

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#variableValue`
Description	A value to assign to a non-parameter variable in the constitutive relation of a bond element.
Domain	bgf:BondElement ^c
Range	bgf:Value ^c

has source ^op

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#hasSource`
Domain	bgf:PowerBond ^c
Range	bgf:PowerPort ^c

has target ^op

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#hasTarget`
Domain	bgf:PowerBond ^c
Range	bgf:PowerPort ^c

has potential ^op

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#hasPotential`
Domain	bgf:PhysicalDomain ^c
Range	bgf:Variable ^c

has flow ^op

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#hasFlow`
Domain	bgf:PhysicalDomain ^c
Range	bgf:Variable ^c

has quantity ^op

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#hasQuantity`
Domain	bgf:PhysicalDomain ^c
Range	bgf:Variable ^c

element template ^op

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#elementTemplate`
Domain	bgf:CompositeTemplate ^c
Range	bgf:ElementTemplate ^c

junction structure ^op

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#junctionStructure`
Domain	bgf:CompositeTemplate ^c
Range	bgf:JunctionStructure ^c

Datatype Properties

uses template ^dp

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#usesTemplate`
Domain	bgf:BondgraphModel ^c

has block ^dp

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#hasBlock`
Domain	bgf:BondgraphModel ^c
Range	xsd:string

bond count ^dp

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#bondCount`
Description	The number of bonds represented in a connection between two Power Ports.
Range	xsd:positiveInteger

constitutive relation ^dp

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#constitutiveRelation`
Domain	bgf:ElementTemplate ^c
Range	bgf:mathml

has domain ^dp

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#hasDomain`
Domain	bgf:PowerPort ^c
Range	bgf:PhysicalDomain ^c

port id ^dp

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#portId`
Description	The identity of each port when a Bond Element or Junction Structure has more than a single Power Port.
Range	xsd:Name

has symbol ^dp

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#hasSymbol`
Domain	bgf:Value ^c
Range	xsd:Name

has units ^dp

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#hasUnits`
Domain	bgf:Variable ^c
Range	cdt:ucumunit

has value ^dp

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#hasValue`
Range	cdt:ucum

var name ^dp

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#varName`
Description	A name to identify a variable, for both when it is declared and when it is given a value.
Range	xsd:Name

Functional Properties

bond count ^fp

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#bondCount`
Description	The number of bonds represented in a connection between two Power Ports.
Range	xsd:positiveInteger

constitutive relation ^fp

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#constitutiveRelation`
Domain	bgf:ElementTemplate ^c
Range	bgf:mathml

has domain ^fp

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#hasDomain`
Domain	bgf:PowerPort ^c
Range	bgf:PhysicalDomain ^c

has symbol ^fp

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#hasSymbol`
Domain	bgf:Value ^c
Range	xsd:Name

has units ^fp

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#hasUnits`
Domain	bgf:Variable ^c
Range	cdt:ucumunit

has value ^fp

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#hasValue`
Range	cdt:ucum

var name ^fp

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#varName`
Description	A name to identify a variable, for both when it is declared and when it is given a value.
Range	xsd:Name

direction ^fp

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#direction`
Description	The inward or outward direction of a power port of a multi-port Bond Element.

has constant ^fp

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#hasConstant`
Domain	bgf:PhysicalDomain ^c
Range	bgf:Variable ^c

has port ^fp

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#hasPort`
Domain	bgf:ElementTemplate ^c

has parameter ^fp

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#hasParameter`
Description	A parameter for the constitutive relation of a Bond Element.
Domain	bgf:ElementTemplate ^c
Range	bgf:Variable ^c

has variable ^fp

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#hasVariable`
Description	A non-parameter variable in the constitutive relation of a Bond Element that could be assigned a value.
Domain	bgf:ElementTemplate ^c
Range	bgf:Variable ^c

parameter value ^fp

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#parameterValue`
Description	A value to assign to a parameter of a bond element
Domain	bgf:BondElement ^c
Range	bgf:Value ^c

variable value ^fp

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#variableValue`
Description	A value to assign to a non-parameter variable in the constitutive relation of a bond element.
Domain	bgf:BondElement ^c
Range	bgf:Value ^c

has source ^fp

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#hasSource`
Domain	bgf:PowerBond ^c
Range	bgf:PowerPort ^c

has target ^fp

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#hasTarget`
Domain	bgf:PowerBond ^c
Range	bgf:PowerPort ^c

has potential ^fp

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#hasPotential`
Domain	bgf:PhysicalDomain ^c
Range	bgf:Variable ^c

has flow ^fp

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#hasFlow`
Domain	bgf:PhysicalDomain ^c
Range	bgf:Variable ^c

has quantity ^fp

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#hasQuantity`
Domain	bgf:PhysicalDomain ^c
Range	bgf:Variable ^c

element template ^fp

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#elementTemplate`
Domain	bgf:CompositeTemplate ^c
Range	bgf:ElementTemplate ^c

junction structure ^fp

IRI	`https://bg-rdf.org/ontologies/bondgraph-framework#junctionStructure`
Domain	bgf:CompositeTemplate ^c
Range	bgf:JunctionStructure ^c

Namespaces

bg: https://bg-rdf.org/ontologies/bondgraph#
bgf: https://bg-rdf.org/ontologies/bondgraph-framework#
cdt: https://w3id.org/cdt/
dcterms: http://purl.org/dc/terms/
ns1: https://bg-rdf.org/ontologies/
owl: http://www.w3.org/2002/07/owl#
rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#
rdfs: http://www.w3.org/2000/01/rdf-schema#
xsd: http://www.w3.org/2001/XMLSchema#

Legend

^c	Classes
^op	Object Properties
^dp	Datatype Properties
^fp	Functional Properties

made by p y LODE 3.2.1 with the OntPub profile

Table of Contents

Metadata
Classes
Object Properties
Datatype Properties
Functional Properties
Namespaces
- bg
- bgf
- cdt
- dcterms
- ns1
- owl
- rdf
- rdfs
- xsd
Legend