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Trajecto Spatial Analysis Module
Release: 2025-05-30
- Modified on: 2026-10-01
- This version:
- http://w3id.org/trajecto/spatial/1.1.0
- Latest version:
- http://w3id.org/trajecto/spatial
- Previous version:
- http://w3id.org/trajecto/spatial/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
- Source:
- https://github.com/sotirisAng/trajecto-stakg/blob/main/ontology/modules/spatial.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
This module extends the trajecto ontology with comprehensive spatial analysis capabilities for trajectory proximity detection and spatial relationship modeling.Introduction back to ToC
Source: https://github.com/sotirisAng/trajecto-stakg/blob/main/ontology/modules/spatial.ttl. The whole ontology is documented from http://w3id.org/trajecto (the core module), which imports every module.Namespace declarations
| datacron | <http://www.datacron-project.eu/datAcron#> |
| dcterms | <http://purl.org/dc/terms/> |
| dul | <http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#> |
| foaf | <http://xmlns.com/foaf/0.1/> |
| 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#> |
| spatial | <http://w3id.org/trajecto/spatial#> |
| 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-spatial: Overview back to ToC
This ontology has the following classes and properties.Classes
- Attraction Interaction
- Avoidance Interaction
- Buffer Analysis
- Circular Zone
- Close Proximity
- DBSCAN Clustering
- Dense Cluster
- Distance Measurement
- Distance Metric
- Distant Proximity
- Euclidean Metric
- Haversine Metric
- High Quality
- Immediate Proximity
- Indoor Spatial Context
- Influence Interaction
- Influence Zone
- K Nearest Neighbor
- Low Quality
- Manhattan Metric
- Medium Quality
- Nearby Proximity
- Noise Cluster
- Outdoor Spatial Context
- Polygonal Zone
- Proximity Analysis
- Proximity Interaction
- Proximity Level
- Proximity Pattern
- Proximity Result
- Proximity Zone
- Rural Spatial Context
- Sparse Cluster
- Spatial Analysis Algorithm
- Spatial Cluster
- Spatial Coldspot
- Spatial Context
- Spatial Corridor
- Spatial Feature
- Spatial Hotspot
- Spatial Interaction
- Spatial Quality
- Spatial Relationship
- Urban Spatial Context
- Vicinity Proximity
- Voronoi Analysis
Object Properties
- clusters with
- contains trajectory part
- has distance measurement
- has influence zone
- has proximity analysis
- has proximity result
- has proximity zone
- has spatial cluster
- has spatial context
- has spatial relationship
- proximity to
- related to
- spatially interacts with
- uses distance metric
Data Properties
trajecto-spatial: Description back to ToC
This module extends the trajecto ontology with comprehensive spatial analysis capabilities for trajectory proximity detection and spatial relationship modeling.Cross-reference for trajecto-spatial classes, object properties and data properties back to ToC
This section provides details for each class and property defined by trajecto-spatial.Classes
- Attraction Interaction
- Avoidance Interaction
- Buffer Analysis
- Circular Zone
- Close Proximity
- DBSCAN Clustering
- Dense Cluster
- Distance Measurement
- Distance Metric
- Distant Proximity
- Euclidean Metric
- Haversine Metric
- High Quality
- Immediate Proximity
- Indoor Spatial Context
- Influence Interaction
- Influence Zone
- K Nearest Neighbor
- Low Quality
- Manhattan Metric
- Medium Quality
- Nearby Proximity
- Noise Cluster
- Outdoor Spatial Context
- Polygonal Zone
- Proximity Analysis
- Proximity Interaction
- Proximity Level
- Proximity Pattern
- Proximity Result
- Proximity Zone
- Rural Spatial Context
- Sparse Cluster
- Spatial Analysis Algorithm
- Spatial Cluster
- Spatial Coldspot
- Spatial Context
- Spatial Corridor
- Spatial Feature
- Spatial Hotspot
- Spatial Interaction
- Spatial Quality
- Spatial Relationship
- Urban Spatial Context
- Vicinity Proximity
- Voronoi Analysis
Attraction Interactionc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#AttractionInteraction
Interaction where POI attracts trajectory movement.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Influence Interaction c
Avoidance Interactionc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#AvoidanceInteraction
Interaction where POI causes trajectory avoidance.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Influence Interaction c
Buffer Analysisc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#BufferAnalysis
Buffer-based proximity analysis algorithm.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Spatial Analysis Algorithm c
Circular Zonec back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#CircularZone
A circular proximity zone defined by a center point and radius.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Proximity Zone c
Close Proximityc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#CloseProximity
Close proximity (typically 10-50 meters).
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Proximity Level c
DBSCAN Clusteringc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#DBSCANClustering
DBSCAN clustering algorithm for spatial analysis.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Spatial Analysis Algorithm c
Dense Clusterc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#DenseCluster
A spatial cluster with high density of trajectory points.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Spatial Cluster c
Distance Measurementc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#DistanceMeasurement
A measurement of distance between spatial entities.
A structured measurement containing distance values calculated using different metrics.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Abstract c
- is in domain of
- has euclidean distance dp, has haversine distance dp, has manhattan distance dp, uses distance metric op
- is in range of
- has distance measurement op
Distance Metricc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#DistanceMetric
A method for calculating distance between spatial points.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Abstract c
- has sub-classes
- Euclidean Metric c, Haversine Metric c, Manhattan Metric c
- is in range of
- uses distance metric op
Distant Proximityc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#DistantProximity
Distant proximity (beyond 200 meters).
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Proximity Level c
Euclidean Metricc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#EuclideanMetric
Euclidean distance metric for straight-line distance calculation.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Distance Metric c
Haversine Metricc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#HaversineMetric
Haversine distance metric accounting for Earth's curvature.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Distance Metric c
High Qualityc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#HighQuality
High quality spatial analysis with reliable results.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Spatial Quality c
Immediate Proximityc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#ImmediateProximity
Immediate proximity (typically 0-10 meters).
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Proximity Level c
Indoor Spatial Contextc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#IndoorSpatialContext
Spatial context for indoor trajectory analysis.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Spatial Context c
Influence Interactionc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#InfluenceInteraction
Interaction where POI influences trajectory behavior.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Spatial Interaction c
- has sub-classes
- Attraction Interaction c, Avoidance Interaction c
Influence Zonec back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#InfluenceZone
A zone where a point of interest has measurable influence on trajectory behavior.
A spatial area where a POI demonstrates measurable attraction or influence on movement patterns.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Proximity Zone c
- is in domain of
- influence radius dp
- is in range of
- has influence zone op
K Nearest Neighborc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#KNearestNeighbor
K-nearest neighbor algorithm for proximity analysis.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Spatial Analysis Algorithm c
Low Qualityc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#LowQuality
Low quality spatial analysis with unreliable results.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Spatial Quality c
Manhattan Metricc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#ManhattanMetric
Manhattan distance metric for grid-based distance calculation.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Distance Metric c
Medium Qualityc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#MediumQuality
Medium quality spatial analysis with acceptable results.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Spatial Quality c
Nearby Proximityc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#NearbyProximity
Nearby proximity (typically 50-100 meters).
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Proximity Level c
Noise Clusterc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#NoiseCluster
Trajectories that do not fit into any meaningful spatial cluster.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Spatial Cluster c
Outdoor Spatial Contextc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#OutdoorSpatialContext
Spatial context for outdoor trajectory analysis.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Spatial Context c
Polygonal Zonec back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#PolygonalZone
A polygonal proximity zone defined by boundary coordinates.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Proximity Zone c
Proximity Analysisc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#ProximityAnalysis
A comprehensive analysis of spatial proximity relationships in a trajectory.
An analytical process that identifies and measures spatial relationships between trajectory elements and points of interest.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Situation c
- is in domain of
- analysis accuracy dp, analysis timestamp dp
- is in range of
- has proximity analysis op
Proximity Interactionc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#ProximityInteraction
Interaction based on being within proximity threshold.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Spatial Interaction c
Proximity Levelc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#ProximityLevel
Classification level for spatial proximity.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Abstract c
- has sub-classes
- Close Proximity c, Distant Proximity c, Immediate Proximity c, Nearby Proximity c, Vicinity Proximity c
Proximity Patternc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#ProximityPattern
Pattern of proximity relationships in trajectory data.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Spatial Feature c
Proximity Resultc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#ProximityResult
Result of proximity calculation between a trajectory part and a point of interest.
A structured result containing distance measurements, proximity classifications, and related metadata for a trajectory-POI pair.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Abstract c
- is in domain of
- has distance dp, has distance measurement op, proximity rank dp, proximity score dp, proximity to op, within proximity dp
- is in range of
- has proximity result op
Proximity Zonec back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#ProximityZone
A defined spatial zone around a point of interest for proximity detection.
A circular or polygonal area around a POI within which trajectory points are considered to be in proximity.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Region Of Interest c
- has sub-classes
- Circular Zone c, Influence Zone c, Polygonal Zone c
- is in domain of
- contains trajectory part op, zone radius dp
- is in range of
- has proximity zone op
Rural Spatial Contextc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#RuralSpatialContext
Spatial context in rural environments with low POI density.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Spatial Context c
Sparse Clusterc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#SparseCluster
A spatial cluster with low density of trajectory points.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Spatial Cluster c
Spatial Analysis Algorithmc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#SpatialAnalysisAlgorithm
Algorithm used for spatial proximity analysis.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Abstract c
- has sub-classes
- Buffer Analysis c, DBSCAN Clustering c, K Nearest Neighbor c, Voronoi Analysis c
Spatial Clusterc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#SpatialCluster
A cluster of trajectories based on spatial proximity patterns.
A group of trajectories that exhibit similar spatial proximity patterns to points of interest.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Trajectory Cluster c
- has sub-classes
- Dense Cluster c, Noise Cluster c, Sparse Cluster c
- is in domain of
- cluster density dp, cluster size dp, spatial cohesion dp
- is in range of
- has spatial cluster op
Spatial Coldspotc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#SpatialColdspot
Area with low concentration of trajectory activity.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Spatial Feature c
Spatial Contextc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#SpatialContext
Spatial context information for trajectory analysis.
Contextual information about the spatial environment and relationships relevant to trajectory analysis.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Situation c
- has sub-classes
- Indoor Spatial Context c, Outdoor Spatial Context c, Rural Spatial Context c, Urban Spatial Context c
- is in range of
- has spatial context op
Spatial Corridorc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#SpatialCorridor
Linear feature showing common trajectory paths.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Spatial Feature c
Spatial Featurec back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#SpatialFeature
Spatial feature extracted from trajectory analysis.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Abstract c
- has sub-classes
- Proximity Pattern c, Spatial Coldspot c, Spatial Corridor c, Spatial Hotspot c
Spatial Hotspotc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#SpatialHotspot
Area with high concentration of trajectory activity.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Spatial Feature c
Spatial Interactionc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#SpatialInteraction
Interaction defined by spatial proximity relationships.
An interaction between trajectory elements and entities based on spatial proximity criteria.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Interaction c
- has sub-classes
- Influence Interaction c, Proximity Interaction c
Spatial Qualityc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#SpatialQuality
Quality assessment of spatial analysis results.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Quality c
- has sub-classes
- High Quality c, Low Quality c, Medium Quality c
Spatial Relationshipc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#SpatialRelationship
A spatial relationship between trajectory elements and entities of interest.
A formalized spatial relationship that describes how trajectory elements relate to entities in space.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Abstract c
- is in domain of
- related to op
- is in range of
- has spatial relationship op
Urban Spatial Contextc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#UrbanSpatialContext
Spatial context in urban environments with high POI density.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Spatial Context c
Vicinity Proximityc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#VicinityProximity
Vicinity proximity (typically 100-200 meters).
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Proximity Level c
Voronoi Analysisc back to ToC or Class ToC
IRI: http://w3id.org/trajecto/spatial#VoronoiAnalysis
Voronoi diagram-based spatial analysis algorithm.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-classes
- Spatial Analysis Algorithm c
Object Properties
- clusters with
- contains trajectory part
- has distance measurement
- has influence zone
- has proximity analysis
- has proximity result
- has proximity zone
- has spatial cluster
- has spatial context
- has spatial relationship
- proximity to
- related to
- spatially interacts with
- uses distance metric
clusters withop back to ToC or Object Property ToC
IRI: http://w3id.org/trajecto/spatial#clustersWith
Indicates that two trajectories cluster together spatially.
- Is defined by
- http://w3id.org/trajecto/spatial
has characteristics: symmetric, transitive
- has domain
- Trajectory c
- has range
- Trajectory c
contains trajectory partop back to ToC or Object Property ToC
IRI: http://w3id.org/trajecto/spatial#containsTrajectoryPart
Indicates that a proximity zone contains a trajectory part.
- Is defined by
- http://w3id.org/trajecto/spatial
- has domain
- Proximity Zone c
- has range
- Trajectory Part c
has distance measurementop back to ToC or Object Property ToC
IRI: http://w3id.org/trajecto/spatial#hasDistanceMeasurement
Associates a proximity result with its distance measurement details.
- Is defined by
- http://w3id.org/trajecto/spatial
- has domain
- Proximity Result c
- has range
- Distance Measurement c
has influence zoneop back to ToC or Object Property ToC
IRI: http://w3id.org/trajecto/spatial#hasInfluenceZone
Associates a point of interest with its influence zone.
- Is defined by
- http://w3id.org/trajecto/spatial
- has domain
- Point Of Interest c
- has range
- Influence Zone c
has proximity analysisop back to ToC or Object Property ToC
IRI: http://w3id.org/trajecto/spatial#hasProximityAnalysis
Associates a trajectory with its spatial proximity analysis.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-properties
- associated With op
- has domain
- Trajectory c
- has range
- Proximity Analysis c
has proximity resultop back to ToC or Object Property ToC
IRI: http://w3id.org/trajecto/spatial#hasProximityResult
Associates a trajectory part with its proximity analysis results.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-properties
- associated With op
- has domain
- Trajectory Part c
- has range
- Proximity Result c
has proximity zoneop back to ToC or Object Property ToC
IRI: http://w3id.org/trajecto/spatial#hasProximityZone
Associates a point of interest with its proximity zone definition.
- Is defined by
- http://w3id.org/trajecto/spatial
- has domain
- Point Of Interest c
- has range
- Proximity Zone c
has spatial clusterop back to ToC or Object Property ToC
IRI: http://w3id.org/trajecto/spatial#hasSpatialCluster
Associates a trajectory with a spatial cluster based on proximity patterns.
- Is defined by
- http://w3id.org/trajecto/spatial
- has domain
- Trajectory c
- has range
- Spatial Cluster c
has spatial contextop back to ToC or Object Property ToC
IRI: http://w3id.org/trajecto/spatial#hasSpatialContext
Associates a trajectory part with its spatial context.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-properties
- associated With op
- has domain
- Trajectory Part c
- has range
- Spatial Context c
has spatial relationshipop back to ToC or Object Property ToC
IRI: http://w3id.org/trajecto/spatial#hasSpatialRelationship
Associates a trajectory part with its spatial relationships.
- Is defined by
- http://w3id.org/trajecto/spatial
- has domain
- Trajectory Part c
- has range
- Spatial Relationship c
proximity toop back to ToC or Object Property ToC
IRI: http://w3id.org/trajecto/spatial#proximityTo
Specifies the point of interest that the proximity result refers to.
- Is defined by
- http://w3id.org/trajecto/spatial
- has domain
- Proximity Result c
- has range
- Point Of Interest c
spatially interacts withop back to ToC or Object Property ToC
IRI: http://w3id.org/trajecto/spatial#spatiallyInteractsWith
Indicates spatial interaction between trajectory part and entity.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-properties
- associated With op
- has domain
- Trajectory Part c
- has range
- Entity Of Interest c
uses distance metricop back to ToC or Object Property ToC
IRI: http://w3id.org/trajecto/spatial#usesDistanceMetric
Specifies the distance metric used in a measurement.
- Is defined by
- http://w3id.org/trajecto/spatial
- has domain
- Distance Measurement c
- has range
- Distance Metric c
Data Properties
- analysis accuracy
- analysis timestamp
- cluster density
- cluster size
- has distance
- has euclidean distance
- has haversine distance
- has manhattan distance
- influence radius
- proximity rank
- proximity score
- spatial cohesion
- within proximity
- zone radius
analysis accuracydp back to ToC or Data Property ToC
IRI: http://w3id.org/trajecto/spatial#analysisAccuracy
Accuracy measure of the proximity analysis (0.0-1.0).
- Is defined by
- http://w3id.org/trajecto/spatial
- has domain
- Proximity Analysis c
- has range
- float
analysis timestampdp back to ToC or Data Property ToC
IRI: http://w3id.org/trajecto/spatial#analysisTimestamp
Timestamp when the proximity analysis was performed.
- Is defined by
- http://w3id.org/trajecto/spatial
- has domain
- Proximity Analysis c
- has range
- date Time
cluster densitydp back to ToC or Data Property ToC
IRI: http://w3id.org/trajecto/spatial#clusterDensity
Density measure of the spatial cluster.
- Is defined by
- http://w3id.org/trajecto/spatial
- has domain
- Spatial Cluster c
- has range
- float
cluster sizedp back to ToC or Data Property ToC
IRI: http://w3id.org/trajecto/spatial#clusterSize
Number of trajectories in the spatial cluster.
- Is defined by
- http://w3id.org/trajecto/spatial
- has domain
- Spatial Cluster c
- has range
- positive Integer
has distancedp back to ToC or Data Property ToC
IRI: http://w3id.org/trajecto/spatial#hasDistance
Distance value in meters between trajectory part and point of interest.
- Is defined by
- http://w3id.org/trajecto/spatial
- has sub-properties
- has euclidean distance dp, has haversine distance dp, has manhattan distance dp
- has domain
- Proximity Result c
- has range
- double
has euclidean distancedp back to ToC or Data Property ToC
IRI: http://w3id.org/trajecto/spatial#hasEuclideanDistance
Euclidean distance in meters.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-properties
- has distance dp
- has domain
- Distance Measurement c
- has range
- double
has haversine distancedp back to ToC or Data Property ToC
IRI: http://w3id.org/trajecto/spatial#hasHaversineDistance
Haversine distance in meters, accounting for Earth's curvature.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-properties
- has distance dp
- has domain
- Distance Measurement c
- has range
- double
has manhattan distancedp back to ToC or Data Property ToC
IRI: http://w3id.org/trajecto/spatial#hasManhattanDistance
Manhattan distance in meters.
- Is defined by
- http://w3id.org/trajecto/spatial
- has super-properties
- has distance dp
- has domain
- Distance Measurement c
- has range
- double
influence radiusdp back to ToC or Data Property ToC
IRI: http://w3id.org/trajecto/spatial#influenceRadius
Radius of the influence zone in meters.
- Is defined by
- http://w3id.org/trajecto/spatial
- has domain
- Influence Zone c
- has range
- double
proximity rankdp back to ToC or Data Property ToC
IRI: http://w3id.org/trajecto/spatial#proximityRank
Rank of proximity (1 = closest) for a trajectory part among all nearby POIs.
- Is defined by
- http://w3id.org/trajecto/spatial
- has domain
- Proximity Result c
- has range
- positive Integer
proximity scoredp back to ToC or Data Property ToC
IRI: http://w3id.org/trajecto/spatial#proximityScore
Normalized proximity score (0.0-1.0) where 1.0 is highest proximity.
- Is defined by
- http://w3id.org/trajecto/spatial
- has domain
- Proximity Result c
- has range
- float
spatial cohesiondp back to ToC or Data Property ToC
IRI: http://w3id.org/trajecto/spatial#spatialCohesion
Measure of spatial cohesion within the cluster (0.0-1.0).
- Is defined by
- http://w3id.org/trajecto/spatial
- has domain
- Spatial Cluster c
- has range
- float
within proximitydp back to ToC or Data Property ToC
IRI: http://w3id.org/trajecto/spatial#withinProximity
Boolean indicating if the trajectory part is within proximity threshold.
- Is defined by
- http://w3id.org/trajecto/spatial
- has domain
- Proximity Result c
- has range
- boolean
zone radiusdp back to ToC or Data Property ToC
IRI: http://w3id.org/trajecto/spatial#zoneRadius
Radius of the proximity zone in meters.
- Is defined by
- http://w3id.org/trajecto/spatial
- has domain
- Proximity Zone c
- has range
- double
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.