SEMANTIC DEFINITION AND MATCHING FOR NATIONAL SPATIAL DATA INFRASTRUCTURE
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• u • O • • u • u • • u • u • • u • u u u Introduction
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Classes Relationships Classes
hasGeometry Why Semantic?
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• Semantic Definition-Projects
FinnONTO Project (2003-2012)-Semantic Computing Research Group (SeCo)
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ACE-GIS Project (2002-2004)- u (UOM, INESC-ID, E-Blana Enterprise Group, IONIC, UJI, SINTEF) … Semantic Definition- Academic Studies
Schade (2009). Ontology-Driven Translation of Geospatial Data u Dolbear vd, (2005). Semantic Interoperability Between Topographic Data And A Flood Defence Ontology Semantic Web Requirements
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• Methodology for Semantic Definition
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? The General Command of Mapping-GCM (The National Mapping Agency of Turkey)
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u u The Creation of Syntactic Definition
• u u GCM Road Schema Semantic Web Languages
u O u u O OWL (Web Ontology Language) u Selection the Semantic Web Language
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Human O u Female Male
Ayşe hasAge 25 The Selection Transformation Tools
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O ? The Selection Transformation Tools
GCM Road Schema O
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GCM Road Ontology Transformation to the Semantic Web Language
Microsoft Visio
Protege Proposed Ontology Classification
DOLCE Particular UPPER ONTOLOGY Endurant LEVEL PhysicalObject
Domain Ontology GML Ontology Operation (Task) Ontology GeographicObject Geometry SpatialOperation Polygon DOMAIN ONTOLOGY Road Line FeatureOperation LEVEL
Intersection Highway
Landslide Ontology Operation Ontology
APPLICATION LandslideService ONTOLOGY LEVEL
LandslideArea
Data Ontology GCM:Topo25LineFeature DATA ONTOLOGY LEVEL GCM:Road
GCM:Highway_25m GCM:Highway_25_50m Selecting suitable ontology
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O u Semantic Definition
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Organization Schema
Feature Definitions Semantic Annotation
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Upper Ontology
Application Ontology
Semantic Annotation Semantic Matching
• u u u “Semantic Matching”
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Road Roadbody
Item Length Width Type Length Breadth Highway 1000 km 20 m Syntactic Highway 1000 km 20 m Pathway …. …. Matching Pathway …. ….
Item Length Width Type Length Breadth Semantic Highway 1000 km 20 m Matching Highway 1000 km 20 m Pathway …. …. Pathway …. …. S-MATCH…
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O u u u u Why S-MATCH...
• u • u u u • u u • u u • u u • u Implementation..
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S-MATCH Match Results
WORDNET Transformation Problems-Tools
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• O u Matching Results-Language GCM Road Ontology
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Subtype relationship Without Subtype relationship Matching Results-Language O O u First hierarchy includes Subtype relationship. GCM Road > INSPIRE Road Second hierarchy does not include Subtype relationship. INSPIRE Road > GCM Road
Subtype relationship Without Subtype relationship Future Works and Conclusion
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• u u Future Works and Conclusion
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Thank you for your attention.