Trajecto Spaces Module
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Trajecto Spaces Module

Release: 2025-05-09

Modified on: 2026-10-01
This version:
http://w3id.org/trajecto/spaces/1.1.0
Latest version:
http://w3id.org/trajecto/spaces
Previous version:
http://w3id.org/trajecto/spaces/1.0
Revision:
1.1.0
Issued on:
2026-10-01
Authors:
Sotirios Angelis, University of the Aegean
Konstantinos Kotis, University of the Aegean
Publisher:
i-Lab, Department of Cultural Technology and Communication, University of the Aegean
Imported Ontologies:
purpose
Source:
https://github.com/sotirisAng/trajecto-stakg/blob/main/ontology/modules/spaces.ttl
Download serialization:
JSON-LD RDF/XML N-Triples TTL
License:
https://creativecommons.org/publicdomain/zero/1.0/ License
Visualization:
Visualize with WebVowl
Cite as:
Angelis, S. (2026). Semantic Trajectory Analytics and Recommender Systems: Engineering Semantic Trajectories as Knowledge Graphs. Doctoral dissertation, University of the Aegean.
Provenance of this page
Ontology Specification

Abstract

This module extends the trajecto ontology with cultural spaces and commercial spaces concepts for semantic trajectories.

Introduction back to ToC

Source: https://github.com/sotirisAng/trajecto-stakg/blob/main/ontology/modules/spaces.ttl. The whole ontology is documented from http://w3id.org/trajecto (the core module), which imports every module.

Namespace declarations

Table 1: Namespaces used in the document
datacron<http://www.datacron-project.eu/datAcron#>
dcterms<http://purl.org/dc/terms/>
dul<http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#>
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#>
skos<http://www.w3.org/2004/02/skos/core#>
spaces<http://w3id.org/trajecto/spaces#>
trajecto<http://w3id.org/trajecto#>
vann<http://purl.org/vocab/vann/>
xml<http://www.w3.org/XML/1998/namespace>
xsd<http://www.w3.org/2001/XMLSchema#>

trajecto-spaces: Overview back to ToC

This ontology has the following classes and properties.

Classes

Object Properties

Data Properties

trajecto-spaces: Description back to ToC

This module extends the trajecto ontology with cultural spaces and commercial spaces concepts for semantic trajectories.

Cross-reference for trajecto-spaces classes, object properties and data properties back to ToC

This section provides details for each class and property defined by trajecto-spaces.

Classes

Access Pointc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#AccessPoint

A point where a space can be entered or exited.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Point Of Interest c
is in range of
has entrance op, has exit op

Artifact Engagementc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#ArtifactEngagement

Direct engagement with a cultural artifact.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Cultural Interaction c
has sub-classes
Listening c, Photographing c, Reading c, Viewing c

Artworkc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#Artwork

A creative work of art.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Cultural Artifact c

Browsingc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#Browsing

Looking at products without necessarily intending to purchase.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Commercial Interaction c

Browsing Intentc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#BrowsingIntent

Intent to browse without specific purchase plans.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Commercial Intent c

Checkoutc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#Checkout

Area where purchases are processed and paid for.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Zone c

Commercial Intentc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#CommercialIntent

The intended purpose behind a commercial visit.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Abstract c
has sub-classes
Browsing Intent c, Purchase Intent c, Service Intent c
is in range of
has commercial intent op

Commercial Interactionc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#CommercialInteraction

Interaction in a commercial context.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Interaction c
has sub-classes
Browsing c, Purchase c, Service Consumption c

Commercial Spacec back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#CommercialSpace

A space dedicated to commercial activities such as retail, services, or dining.
A designated space where commercial transactions and activities take place.
Is defined by
http://w3id.org/trajecto/spaces
Example
Shops, malls, restaurants, banks
has super-classes
Space c
has sub-classes
Dining Space c, Retail Space c, Service Space c
is in domain of
has opening hours dp

Cultural Artifactc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#CulturalArtifact

A physical object of cultural significance or value.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Object Of Interest c
has sub-classes
Artwork c, Digital Installation c, Exhibit c, Historical Object c
is in domain of
has artist dp, has creation date dp, has cultural significance op, has exhibit ID dp, has exhibit metadata op
is in range of
exhibits op

Cultural Interactionc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#CulturalInteraction

Interaction with cultural artifacts or in cultural contexts.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Interaction c
has sub-classes
Artifact Engagement c, Social Learning c

Cultural Landmarkc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#CulturalLandmark

A recognizable cultural feature of a landscape or cityscape.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Cultural Space c

Cultural Significancec back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#CulturalSignificance

Information about the cultural importance or value of an entity.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Abstract c
is in range of
has cultural significance op

Cultural Spacec back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#CulturalSpace

A space dedicated to cultural activities, exhibitions, or performances.
A designated space where cultural artifacts are exhibited or cultural events take place.
Is defined by
http://w3id.org/trajecto/spaces
Example
Museums, galleries, theaters, historical sites
has super-classes
Space c
has sub-classes
Cultural Landmark c, Gallery c, Historical Site c, Museum c, Performance Venue c
is in domain of
exhibits op, has cultural significance op

Departmentc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#Department

A section of a retail space dedicated to a specific category of products.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Zone c

Digital Installationc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#DigitalInstallation

A digital or electronic installation in a cultural space.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Cultural Artifact c

Dining Establishmentc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#DiningEstablishment

A restaurant, café, or other food service establishment.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Dining Space c

Dining Spacec back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#DiningSpace

A commercial space dedicated to food service.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Commercial Space c
has sub-classes
Dining Establishment c

Exhibitc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#Exhibit

An object displayed in a cultural space.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Cultural Artifact c

Exhibit Metadatac back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#ExhibitMetadata

Descriptive information about a cultural artifact.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Abstract c
is in range of
has exhibit metadata op

First Time Visitc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#FirstTimeVisit

A first-time visit to a space.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Visit Context c

Guided Visitc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#GuidedVisit

A visit with a guide or guided tour.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Visit Context c

Historical Objectc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#HistoricalObject

An object with historical significance.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Cultural Artifact c

Historical Sitec back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#HistoricalSite

A location recognized for its historical significance.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Cultural Space c

Listeningc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#Listening

Listening to audio associated with a cultural artifact.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Artifact Engagement c

Museumc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#Museum

A building or institution that houses and exhibits collections of artifacts.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Cultural Space c

Performance Venuec back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#PerformanceVenue

A space designed for performing arts events.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Cultural Space c

Photographingc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#Photographing

Taking photographs of a cultural artifact.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Artifact Engagement c

Productc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#Product

A physical item available for purchase in a commercial space.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Object Of Interest c
is in domain of
has price dp, has product category dp
is in range of
sells op

Purchasec back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#Purchase

The act of buying a product or service.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Commercial Interaction c

Purchase Intentc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#PurchaseIntent

Intent to purchase specific products or services.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Commercial Intent c

Readingc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#Reading

Reading text associated with a cultural artifact.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Artifact Engagement c

Repeat Visitc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#RepeatVisit

A return visit to a previously visited space.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Visit Context c

Retail Layoutc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#RetailLayout

The physical arrangement and organization of a retail space.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Abstract c

Retail Spacec back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#RetailSpace

A commercial space dedicated to selling goods to customers.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Commercial Space c
has sub-classes
Retail Store c, Shopping Mall c
is in domain of
sells op

Retail Storec back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#RetailStore

A retail establishment selling goods to customers.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Retail Space c

Self Directed Visitc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#SelfDirectedVisit

A self-guided visit without formal guidance.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Visit Context c

Servicec back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#Service

A non-physical offering available in a commercial space.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Abstract c
is in domain of
has price dp
is in range of
provides service op

Service Consumptionc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#ServiceConsumption

The act of using or consuming a service.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Commercial Interaction c

Service Intentc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#ServiceIntent

Intent to use specific services.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Commercial Intent c

Service Providerc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#ServiceProvider

An establishment providing specific services (banking, healthcare, etc.).
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Service Space c

Service Spacec back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#ServiceSpace

A commercial space dedicated to providing services.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Commercial Space c
has sub-classes
Service Provider c
is in domain of
provides service op

Shopping Aislec back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#ShoppingAisle

A pathway between shelves or displays in a retail space.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Zone c

Shopping Mallc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#ShoppingMall

A large enclosed shopping area containing multiple retail stores.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Retail Space c

Social Learningc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#SocialLearning

Learning through social interaction in a cultural context.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Cultural Interaction c

Spacec back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#Space

A designated area with defined boundaries where human movement occurs.
A physical or conceptual area where human movement and activities take place, characterized by boundaries and internal organization.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Region Of Interest c
has sub-classes
Commercial Space c, Cultural Space c
is in domain of
contains entity op, has accessibility dp, has capacity dp, has entrance op, has exit op, has zone op, is location of op

Thematic Visitc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#ThematicVisit

A visit focused on a specific theme or aspect of the space.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Visit Context c

Transaction Eventc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#TransactionEvent

An event involving a commercial transaction.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Event Of Interest c
is in domain of
has transaction amount dp
is in range of
has transaction event op

Viewingc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#Viewing

Looking at or observing a cultural artifact.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Artifact Engagement c

Visit Contextc back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#VisitContext

Contextual information about a visit to a space.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Situation c
has sub-classes
First Time Visit c, Guided Visit c, Repeat Visit c, Self Directed Visit c, Thematic Visit c
is in domain of
has visit duration dp
is in range of
has visit context op

Zonec back to ToC or Class ToC

IRI: http://w3id.org/trajecto/spaces#Zone

A defined section or area within a larger space.
Is defined by
http://w3id.org/trajecto/spaces
has super-classes
Region Of Interest c
has sub-classes
Checkout c, Department c, Shopping Aisle c
is in range of
has zone op

Object Properties

contains entityop back to ToC or Object Property ToC

IRI: http://w3id.org/trajecto/spaces#containsEntity

Relates a space to entities it contains.
Is defined by
http://w3id.org/trajecto/spaces
has super-properties
has Part op
has domain
Space c
has range
Entity Of Interest c

exhibitsop back to ToC or Object Property ToC

IRI: http://w3id.org/trajecto/spaces#exhibits

Relates a cultural space to artifacts it exhibits.
Is defined by
http://w3id.org/trajecto/spaces
has domain
Cultural Space c
has range
Cultural Artifact c

has commercial intentop back to ToC or Object Property ToC

IRI: http://w3id.org/trajecto/spaces#hasCommercialIntent

Links a trajectory part to commercial intent.
Is defined by
http://w3id.org/trajecto/spaces
has domain
Trajectory Part c
has range
Commercial Intent c

has cultural significanceop back to ToC or Object Property ToC

IRI: http://w3id.org/trajecto/spaces#hasCulturalSignificance

Links a cultural entity to its significance information.
Is defined by
http://w3id.org/trajecto/spaces

has entranceop back to ToC or Object Property ToC

IRI: http://w3id.org/trajecto/spaces#hasEntrance

Relates a space to its entrance points.
Is defined by
http://w3id.org/trajecto/spaces
has domain
Space c
has range
Access Point c

has exhibit metadataop back to ToC or Object Property ToC

IRI: http://w3id.org/trajecto/spaces#hasExhibitMetadata

Links a cultural artifact to its metadata information.
Is defined by
http://w3id.org/trajecto/spaces
has domain
Cultural Artifact c
has range
Exhibit Metadata c

has exitop back to ToC or Object Property ToC

IRI: http://w3id.org/trajecto/spaces#hasExit

Relates a space to its exit points.
Is defined by
http://w3id.org/trajecto/spaces
has domain
Space c
has range
Access Point c

has transaction eventop back to ToC or Object Property ToC

IRI: http://w3id.org/trajecto/spaces#hasTransactionEvent

Links a trajectory part to a transaction event.
Is defined by
http://w3id.org/trajecto/spaces
has domain
Trajectory Part c
has range
Transaction Event c

has visit contextop back to ToC or Object Property ToC

IRI: http://w3id.org/trajecto/spaces#hasVisitContext

Links a trajectory to the context of the visit.
Is defined by
http://w3id.org/trajecto/spaces
has domain
Trajectory c
has range
Visit Context c

has zoneop back to ToC or Object Property ToC

IRI: http://w3id.org/trajecto/spaces#hasZone

Relates a space to its constituent zones or areas.
Is defined by
http://w3id.org/trajecto/spaces
has super-properties
has Part op
has domain
Space c
has range
Zone c

is location ofop back to ToC or Object Property ToC

IRI: http://w3id.org/trajecto/spaces#isLocationOf

Relates a space to events that take place there.
Is defined by
http://w3id.org/trajecto/spaces
has domain
Space c
has range
Event Of Interest c

provides serviceop back to ToC or Object Property ToC

IRI: http://w3id.org/trajecto/spaces#providesService

Relates a service space to services it provides.
Is defined by
http://w3id.org/trajecto/spaces
has domain
Service Space c
has range
Service c

sellsop back to ToC or Object Property ToC

IRI: http://w3id.org/trajecto/spaces#sells

Relates a retail space to products it sells.
Is defined by
http://w3id.org/trajecto/spaces
has domain
Retail Space c
has range
Product c

Data Properties

has accessibilitydp back to ToC or Data Property ToC

IRI: http://w3id.org/trajecto/spaces#hasAccessibility

Accessibility features of a space.
Is defined by
http://w3id.org/trajecto/spaces
has domain
Space c
has range
string

has artistdp back to ToC or Data Property ToC

IRI: http://w3id.org/trajecto/spaces#hasArtist

Artist or creator of a cultural artifact.
Is defined by
http://w3id.org/trajecto/spaces
has domain
Cultural Artifact c
has range
string

has capacitydp back to ToC or Data Property ToC

IRI: http://w3id.org/trajecto/spaces#hasCapacity

Maximum capacity of a space in terms of people.
Is defined by
http://w3id.org/trajecto/spaces
has domain
Space c
has range
positive Integer

has creation datedp back to ToC or Data Property ToC

IRI: http://w3id.org/trajecto/spaces#hasCreationDate

Date when a cultural artifact was created.
Is defined by
http://w3id.org/trajecto/spaces
has domain
Cultural Artifact c
has range
date

has exhibit IDdp back to ToC or Data Property ToC

IRI: http://w3id.org/trajecto/spaces#hasExhibitID

Identifier for a cultural artifact in an exhibition.
Is defined by
http://w3id.org/trajecto/spaces
has domain
Cultural Artifact c
has range
string

has opening hoursdp back to ToC or Data Property ToC

IRI: http://w3id.org/trajecto/spaces#hasOpeningHours

Opening hours of a commercial space.
Is defined by
http://w3id.org/trajecto/spaces
has domain
Commercial Space c
has range
string

has pricedp back to ToC or Data Property ToC

IRI: http://w3id.org/trajecto/spaces#hasPrice

Price of a product or service.
Is defined by
http://w3id.org/trajecto/spaces
has domain
Product c or Service c
has range
decimal

has product categorydp back to ToC or Data Property ToC

IRI: http://w3id.org/trajecto/spaces#hasProductCategory

Category of a product.
Is defined by
http://w3id.org/trajecto/spaces
has domain
Product c
has range
string

has transaction amountdp back to ToC or Data Property ToC

IRI: http://w3id.org/trajecto/spaces#hasTransactionAmount

Amount of money involved in a transaction.
Is defined by
http://w3id.org/trajecto/spaces
has domain
Transaction Event c
has range
decimal

has visit durationdp back to ToC or Data Property ToC

IRI: http://w3id.org/trajecto/spaces#hasVisitDuration

Duration of a visit.
Is defined by
http://w3id.org/trajecto/spaces
has domain
Visit Context c
has range
duration

Legend back to ToC

c: Classes
op: Object Properties
dp: Data Properties

References back to ToC

  • S. Angelis. Semantic Trajectory Analytics and Recommender Systems: Engineering Semantic Trajectories as Knowledge Graphs. Doctoral dissertation, University of the Aegean, 2026.
  • G. M. Santipantakis, G. A. Vouros, A. Glenis, C. Doulkeridis, A. Vlachou. The datAcron Ontology for Semantic Trajectories. ESWC 2017 Satellite Events, LNCS 10577, pp. 26-30, Springer, 2017. doi:10.1007/978-3-319-70407-4_6
  • A. Gangemi, N. Guarino, C. Masolo, A. Oltramari, L. Schneider. Sweetening Ontologies with DOLCE. EKAW 2002, LNCS 2473, pp. 166-181, Springer, 2002. doi:10.1007/3-540-45810-7_18
  • D. Doumanas, G. Bouchouras, A. Soularidis, K. Kotis, G. Vouros. From Human- to LLM-Centered Collaborative Ontology Engineering. Applied Ontology, 2024. doi:10.1177/15705838241305067

Acknowledgments back to ToC

The authors would like to thank Silvio Peroni for developing LODE, a Live OWL Documentation Environment, which is used for representing the Cross Referencing Section of this document and Daniel Garijo for developing Widoco, the program used to create the template used in this documentation.