i.t. core location vocabulary into practice harmonised access to base address registries 2 april...
TRANSCRIPT
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I.T.
Core Location Vocabulary into practice
Harmonised access to base address registries
2 April 2013Stijn Goedertier
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I.T.
The European context and the need for Core Vocabularies
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The ISA Programme undertakes a number of initiatives to promote interoperability
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•Aligned legislation
Legal interoperability
•Coordinated processes
Organisational Interoperability
•Precise meaning of information
Semantic Interoperability
•Technical linking of systems
Technical Interoperability
Political context
European Interoperability Framework
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• Recommendation 12. Public administrations, when working to establish European public services, should develop interfaces to authentic sources and align them at semantic and technical level.
European Interoperability Framework
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Core vocabularies
Simplified, reusable, and extensible data models that capture the fundamental characteristics of a data entity in a context-neutral fashion.
CORE
VOCABULARY
PUBLICSERVICE
https://joinup.ec.europa.eu/node/43160
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I.T.
The Core Location Vocabulary2
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Core Location Vocabulary
• A simplified, reusable and extensible data model that captures the fundamental characteristics of a location, represented as an address, a geographic name, or a geometry.
• Developed in the period December 2011 – May 2012 by a multi disciplinary Working Group
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Core Location Vocabulary
• co-chairs: Michael Lutz, Paul Smits, Andrea Perego (DG JRC)
• editor: Phil Archer (W3C)• task force: Segun Alayande, Adam Arndt, Joseph
Azzopardi, Chirsina Bapst, Serena Coetzee, Andreas Gehlert, Giorgios Georgiannakis, Anja Hopfstock, Andreas
• Illert, Michaela Elisa Jackson, Morten Lind, Matthias Lüttgert, Andras Micsik, Piotr Piotrowski, Greg Potterton, Peter Schmitz, Raj Singh, Athina Trakas, Rob Walker, Stuart Williams, Peter Winstanley, ...
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Core Location Vocabulary
RDF Schema
Re-uses existing Linked Data vocabularies, notably Dublin Core and FOAF
Builds on Universal Business Language, Re-uses information elements provided by Core Components Technical Specification (CCTS) of UN/CEFACT
All specifications are released under the “ISA Open Metadata Licence v1.1”https://joinup.ec.europa.eu/category/licence/isa-open-metadata-licence-v11
Licence ?
XML Schema
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W3C Location and Address Community
• The W3C Location and Addresses Community Group is to review the existing efforts such as the Core Location Vocabulary and assess whether any use cases would be served by harmonization and/or new standardization work.
• It may produce specifications or use cases and requirements documents, which may be proposed for adoption by the W3C Government Linked Data (GLD) Working Group
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INSPIRE data specifications
• Core Location can be seen as a subset of the INSPIRE address specification as it based on the INSPIRE AddressRepresentation class.
• INSPIRE XML versus Location RDF representation.• The Location CV and INSPIRE are complementary • A linked data service can be implemented on top
of an INSPIRE representation.
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Core Location Vocabulary data model
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INSPIRE Address Specification
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I.T.
Core Location Pilot - Interconnecting Belgian address data
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Today address data is
fragmented across
various registers
Data fragmentation
Heterogeneous data formats
Lack of common identifiers
UnlinkedLow quality
Non-interoperable
UrBIS - Brussels Capital Region
CRAB - Flanders PICC - Wallonia Civil registerNGI – National Geographic Institute
DATA CONSUMER
?
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LOGD INFRASTRUCTURE
UrBIS - Brussels Capital Region
CRAB - Flanders PICC - Wallonia Civil registerNGI – National Geographic Institute
DATA CONSUMER
sample address data in native format
Linked address data
Common Data models
RDF Repository
SPARQL endpoint
Address Identifier
Address Notation
Link
Look up
Disambiguate
DATA CONSUMER ORIENTED USE CASES
INS
PIR
E
lookup, disambiguate, link
The pilot demonstrat
es feasibility of Linked
Data
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Address Identifier
Address Notation
Look up (de-reference) an address identifier
Disambiguate (reconcile) an address notation
Link datasets by means of address identifiers
Example: Maria-Theresiastraat 1 1000 Brussel
Example:http://data.gov.be/so/ad/Address/00BR/9346-237(fictitious)
Three use cases for data consumers
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Prevent fragmentation of address data
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Technical architecture
relational database
SQL Processor
SPARQL Processor
Web Application Server
Web BrowserRDF Client
external database
HTTP
RDF Quad Store
OpenLink Virtuso
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The pilot demonstrates that
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Get involved
Join the SEMIC community on Joinup
Visit our initiatives
Semantic interoperability
[email protected]@[email protected]
Programme Manager
Team
http://joinup.ec.europa.eu/