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Trajecto Scheduled Events Module
Release: 2026-04-22
- Modified on: 2026-10-01
- This version:
- http://w3id.org/trajecto/scheduled/1.1.0
- Latest version:
- http://w3id.org/trajecto/scheduled
- Previous version:
- http://w3id.org/trajecto/scheduled/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:
- poi
- Source:
- https://github.com/sotirisAng/trajecto-stakg/blob/main/ontology/modules/scheduled-events.ttl
- Download serialization:
- License:
- Visualization:
- Cite as:
- Angelis, S. (2026). Semantic Trajectory Analytics and Recommender Systems: Engineering Semantic Trajectories as Knowledge Graphs. Doctoral dissertation, University of the Aegean.
Ontology Specification
Abstract
Externally scheduled events (concerts, conferences, exhibitions, matches, services) hosted at a POI for a finite time window.Introduction back to ToC
Source: https://github.com/sotirisAng/trajecto-stakg/blob/main/ontology/modules/scheduled-events.ttl. The whole ontology is documented from http://w3id.org/trajecto (the core module), which imports every module.Namespace declarations
| 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#> |
| scheduled | <http://w3id.org/trajecto/scheduled#> |
| 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-scheduled-events: Overview back to ToC
This ontology has the following classes and properties.Classes
Object Properties
Data Properties
trajecto-scheduled-events: Description back to ToC
Externally scheduled events (concerts, conferences, exhibitions, matches, services) hosted at a POI for a finite time window. Event-gated POI categories are recommended only when such an event overlaps the trajectory.Cross-reference for trajecto-scheduled-events classes, object properties and data properties back to ToC
This section provides details for each class and property defined by trajecto-scheduled-events.Classes
Scheduled Eventc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/scheduled#ScheduledEvent
A calendared event (concert, conference, exhibition, sports match, festival, religious service) hosted at a POI for a finite time window. Distinct from trajecto/events#TrajectoryEvent which models behavioral trajectory events.
- Is defined by
- http://w3id.org/trajecto/scheduled
- has super-classes
- Event c
- is in domain of
- end time dp, event category dp, external id dp, external source dp, hosted at op, start time dp
Object Properties
hosted atop back to ToC or Object Property ToC
IRI: http://w3id.org/trajecto/scheduled#hostedAt
POI where the scheduled event takes place.
- Is defined by
- http://w3id.org/trajecto/scheduled
- has domain
- Scheduled Event c
- has range
- Point Of Interest c
Data Properties
end timedp back to ToC or Data Property ToC
IRI: http://w3id.org/trajecto/scheduled#endTime
Event end (inclusive). Equal to startTime for instantaneous events.
- Is defined by
- http://w3id.org/trajecto/scheduled
- has domain
- Scheduled Event c
- has range
- date Time
event categorydp back to ToC or Data Property ToC
IRI: http://w3id.org/trajecto/scheduled#eventCategory
Event classification: Concert, Exhibition, Conference, Festival, Sports, Theater, ReligiousService, Other.
- Is defined by
- http://w3id.org/trajecto/scheduled
- has domain
- Scheduled Event c
- has range
- string
external iddp back to ToC or Data Property ToC
IRI: http://w3id.org/trajecto/scheduled#externalId
Identifier assigned by the source system; used for idempotent ingestion.
- Is defined by
- http://w3id.org/trajecto/scheduled
- has domain
- Scheduled Event c
- has range
- string
external sourcedp back to ToC or Data Property ToC
IRI: http://w3id.org/trajecto/scheduled#externalSource
Provenance tag: fixture, ticketmaster, eventbrite, etc.
- Is defined by
- http://w3id.org/trajecto/scheduled
- has domain
- Scheduled Event c
- has range
- string
start timedp back to ToC or Data Property ToC
IRI: http://w3id.org/trajecto/scheduled#startTime
Event start (inclusive).
- Is defined by
- http://w3id.org/trajecto/scheduled
- has domain
- Scheduled Event c
- has range
- date Time
Legend back to ToC
c: Classes
op: Object Properties
dp: Data Properties
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.