Drawing Analyis Ontology (DAnO)

Metadata

IRI: https://w3id.org/dano
Title: Drawing Analyis Ontology (DAnO)
Publisher: Chair of Computing in Engineering
Creator: Phillip Schönfelder ( phillip.schoenfelder@rub.de )
Date Modified: 2025-03-11
Date Issued: 2025-03-11
License: https://creativecommons.org/licenses/by/4.0/
Rights: Copyright 2025 by Phillip Schönfelder
Version Iri: Drawing Analyis Ontology (DAnO)
Version Info: v0.1
Preferred Namespace Prefix: dano
Preferred Namespace Uri: Drawing Analyis Ontology (DAnO)
History Note: v0.1: initial ontology
Source: https://github.com/RUB-Informatik-im-Bauwesen/dano
Description: This ontology covers concepts of technical drawings from the perspective of computer vision-based drawing analysis to be used in collaborative settings or for post-processing. schema:image ; The preferred namespace prefix is dano for the namespace IRI https://w3id.org/dano.

Classes

Composite ^c

IRI	`https://w3id.org/dano#Composite`
Description	A composite element that aggregates multiple description elements.
Sub Class Of	Description Element ^c
Super Class Of	Dimension Line Chain ^c Text Field ^c

Description Element ^c

IRI	`https://w3id.org/dano#DescriptionElement`
Description	An abstract element in a drawing describing properties of display elements. For instance, a dimension line describing a wall or a text element specifying a schematic pump symbol.
Sub Class Of	Drawing Element ^c
In Domain Of	describes ^op
In Range Of	is described by ^op
Super Class Of	Composite ^c Line ^c Symbol ^c Text Element ^c

Dimension Line ^c

IRI	`https://w3id.org/dano#DimensionLine`
Description	A line indicating dimensions in a drawing, typically used to represent measurements.
Sub Class Of	Line ^c
In Domain Of	ends with ^op

Dimension Line Chain ^c

IRI	`https://w3id.org/dano#DimensionLineChain`
Description	A sequence of dimension lines connected together to represent cumulative measurements.
Sub Class Of	Composite ^c

Dimension Line Marker ^c

IRI	`https://w3id.org/dano#DimensionLineMarker`
Description	A marker used to indicate endpoints or reference points on a dimension line.
Sub Class Of	Symbol ^c
In Domain Of	is referred to by ^op refers to ^op
In Range Of	ends with ^op is referred to by ^op refers to ^op

Display Element ^c

IRI	`https://w3id.org/dano#DisplayElement`
Description	An element representing a real-world component.
Sub Class Of	Drawing Element ^c
In Domain Of	depicts ^op is described by ^op
In Range Of	describes ^op

Drawing Element ^c

IRI	`https://w3id.org/dano#DrawingElement`
Description	A visual element in a drawing. Metadata for these elements are stored as DrawingElementMeta instances.
Sub Class Of	Thing ^c
In Domain Of	contains ^op has confidence ^dp has geometry ^op has IFC representation ^dp has meta ^op is contained in ^op
In Range Of	contains ^op is contained in ^op
Super Class Of	Description Element ^c Display Element ^c

Drawing Element Meta ^c

IRI	`https://w3id.org/dano#DrawingElementMeta`
Description	Metadata for drawing elements, including inference confidence and methods used.
Sub Class Of	Thing ^c
In Domain Of	inferred at ^dp inferred by ^dp inferred from ^dp inferred with ^dp
In Range Of	has meta ^op

Line ^c

IRI	`https://w3id.org/dano#Line`
Description	A linear description element in a drawing.
Sub Class Of	Description Element ^c
Super Class Of	Dimension Line ^c

Symbol ^c

IRI	`https://w3id.org/dano#Symbol`
Description	A symbolic description element representing various annotations or markers.
Sub Class Of	Description Element ^c
Super Class Of	Dimension Line Marker ^c

Text Element ^c

IRI	`https://w3id.org/dano#TextElement`
Description	A text-based description element in a drawing.
Sub Class Of	Description Element ^c
In Domain Of	is text ^dp

Text Field ^c

IRI	`https://w3id.org/dano#TextField`
Description	A composite element containing multiple text elements, typically for multiline text.
Sub Class Of	Composite ^c

Object Properties

defaultGeometry ^op

IRI	`http://www.opengis.net/ont/geosparql#defaultGeometry`
Is Defined By	GeoSPARQL Ontology http://www.opengis.net/spec/geosparql/1.0
Description	`The default geometry to be used in spatial calculations. It is Usually the most detailed geometry.`
Sub Property Of	hasGeometry ^op

hasGeometry ^op

IRI	`http://www.opengis.net/ont/geosparql#hasGeometry`
Is Defined By	GeoSPARQL Ontology http://www.opengis.net/spec/geosparql/1.0
Description	`A spatial representation for a given feature.`
Super Property Of	defaultGeometry ^op

contains ^op

IRI	`https://w3id.org/dano#contains`
Description	Indicates that the subject drawing element contains the object drawing element. For instance, lines can contain two endpoints.
Super Property Of	ends with ^op
Domain	Drawing Element ^c
Range	Drawing Element ^c

depicts ^op

IRI	`https://w3id.org/dano#depicts`
Description	Indicates that the subject display element graphically represents a real-world object, such as a building element, zone, or machine part.
Domain	Display Element ^c

describes ^op

IRI	`https://w3id.org/dano#describes`
Description	Establishes the relationship between a description element and a display element, where the description element describes the display element.
Domain	Description Element ^c
Range	Display Element ^c

ends with ^op

IRI	`https://w3id.org/dano#endsWith`
Description	Indicates that a dimension line ends with a dimension line marker.
Sub Property Of	contains ^op
Domain	Dimension Line ^c
Range	Dimension Line Marker ^c

has geometry ^op

IRI	`https://w3id.org/dano#hasGeometry`
Description	Links the drawing element to its geometrical representation.
Domain	Drawing Element ^c

has meta ^op

IRI	`https://w3id.org/dano#hasMeta`
Description	Links meta information to a drawing element.
Domain	Drawing Element ^c
Range	Drawing Element Meta ^c

is contained in ^op

IRI	`https://w3id.org/dano#isContainedIn`
Description	Indicates that the subject drawing element is part of another drawing element.
Domain	Drawing Element ^c
Range	Drawing Element ^c

is described by ^op

IRI	`https://w3id.org/dano#isDescribedBy`
Description	Indicates that the display element is described by a description element.
Domain	Display Element ^c
Range	Description Element ^c

is referred to by ^op

IRI	`https://w3id.org/dano#isReferredToBy`
Description	Indicates that the subject dimension line marker is referred to by another dimension line marker.
Domain	Dimension Line Marker ^c
Range	Dimension Line Marker ^c

refers to ^op

IRI	`https://w3id.org/dano#refersTo`
Description	Indicates that the subject dimension line marker refers to another dimension line marker.
Domain	Dimension Line Marker ^c
Range	Dimension Line Marker ^c

Datatype Properties

has confidence ^dp

IRI	`https://w3id.org/dano#hasConfidence`
Description	Specifies the confidence level of the inference that identified the drawing element.
Domain	Drawing Element ^c
Range	xsd:decimal

has IFC representation ^dp

IRI	`https://w3id.org/dano#hasIfcRepresentation`
Description	Specifies the IFC representation of the drawing element.
Domain	Drawing Element ^c

inferred at ^dp

IRI	`https://w3id.org/dano#inferredAt`
Description	Specifies the date when the drawing element was inferred.
Domain	Drawing Element Meta ^c
Range	xsd:date

inferred by ^dp

IRI	`https://w3id.org/dano#inferredBy`
Description	Indicates the actor, company, or software that inferred the drawing element.
Domain	Drawing Element Meta ^c
Range	xsd:string

inferred from ^dp

IRI	`https://w3id.org/dano#inferredFrom`
Description	Specifies the origin file from which the drawing element was extracted.
Domain	Drawing Element Meta ^c
Range	xsd:string

inferred with ^dp

IRI	`https://w3id.org/dano#inferredWith`
Description	Indicates the algorithm used to infer the drawing element.
Domain	Drawing Element Meta ^c
Range	xsd:string

is text ^dp

IRI	`https://w3id.org/dano#isText`
Description	Indicates that the description element is a text element containing the specified string.
Domain	Text Element ^c
Range	xsd:string

Annotation Properties

domain includes ^ap

IRI	`https://schema.org/domainIncludes`

range includes ^ap

IRI	`https://schema.org/rangeIncludes`

Namespaces

dano: https://w3id.org/dano#
dc: http://purl.org/dc/terms/
foaf: http://xmlns.com/foaf/0.1/
geo: http://www.opengis.net/ont/geosparql#
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#
schema: https://schema.org/
skos: http://www.w3.org/2004/02/skos/core#
vann: http://purl.org/vocab/vann/
xsd: http://www.w3.org/2001/XMLSchema#

Legend

^c	Classes
^op	Object Properties
^dp	Datatype Properties
^ap	Annotation Properties

Drawing Analyis Ontology (DAnO)

Metadata

Classes

Composite c

Description Element c

Dimension Line c

Dimension Line Chain c

Dimension Line Marker c

Display Element c

Drawing Element c

Drawing Element Meta c

Line c

Symbol c

Text Element c

Text Field c

Object Properties

defaultGeometry op

hasGeometry op

contains op

depicts op

describes op

ends with op

has geometry op

has meta op

is contained in op

is described by op

is referred to by op

refers to op

Datatype Properties

has confidence dp

has IFC representation dp

inferred at dp

inferred by dp

inferred from dp

inferred with dp

is text dp

Annotation Properties

domain includes ap

range includes ap

Namespaces

Legend

Table of Contents

Metadata

Classes

Object Properties

Datatype Properties

Annotation Properties

Namespaces

Legend

Composite ^c

Description Element ^c

Dimension Line ^c

Dimension Line Chain ^c

Dimension Line Marker ^c

Display Element ^c

Drawing Element ^c

Drawing Element Meta ^c

Line ^c

Symbol ^c

Text Element ^c

Text Field ^c

defaultGeometry ^op

hasGeometry ^op

contains ^op

depicts ^op

describes ^op

ends with ^op

has geometry ^op

has meta ^op

is contained in ^op

is described by ^op

is referred to by ^op

refers to ^op

has confidence ^dp

has IFC representation ^dp

inferred at ^dp

inferred by ^dp

inferred from ^dp

inferred with ^dp

is text ^dp

domain includes ^ap

range includes ^ap