wikt 2006, 28. - 29. 11. 2006, bratislava service-based architecture of access-egov system...
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WIKT 2006, 28. - 29. 11. 2006, Bratislava
Service-based Service-based architecture architecture
of Access-eGov systemof Access-eGov system
{Martin.Tomasek, Karol.Furdik}@intersoft.sk
InterSoft, a.s., Floriánska 19, 040 01 Košice
www.intersoft.sk
Martin Tomášek, Karol Furdík
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Service-based architecture of Access-eGov systemMartin Tomášek, Karol Furdík WIKT 2006, 28. - 29. 11. 2006, Bratislava
ContentsAccess-eGov project• Basic information• Objectives and functionality• Pilot applications
Architecture design• Description framework• Architecture context• Conceptual architecture • Logical architecture • Physical architecture
Future work
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Service-based architecture of Access-eGov systemMartin Tomášek, Karol Furdík WIKT 2006, 28. - 29. 11. 2006, Bratislava
Access-eGov projectFull title: Access to e-Government Services Employing
Semantic Technologies
www.accessegov.org• Starting date: January 1st, 2006• Duration: 36 months• EC Funding: 1.983.000 €• Total Budget: 2.279.243 €
Main goal: to develop and validate a platform for composition of
government services into complex process definitions (covering
life events/business episodes) enabling semantic interoperability of
particular e-Government services.
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Service-based architecture of Access-eGov systemMartin Tomášek, Karol Furdík WIKT 2006, 28. - 29. 11. 2006, Bratislava
Objectives & FunctionalityAccess-eGov system: a framework / platform for eGov
services, based on Semantic Web technologies.
Provided services:• Meta-service will identify proper eGov services relevant to the
given life event or business episode (according to the semantically expressed user‘s needs & requirements),
• Scenarios consisting of elementary eGov services (of „hybrid“ nature, i.e. a combination of traditional and electronic eGov services),
• Virtual Personal Assistant - a tool that will guide users in the space of available services.
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Service-based architecture of Access-eGov systemMartin Tomášek, Karol Furdík WIKT 2006, 28. - 29. 11. 2006, Bratislava
In Slovakia: land-use planning and processing a request for a building permit.
In Poland: establishing an enterprise taking into account the process of company registration.
In Germany: an upgrade and field test based on the existing good practice, the so-called “Zustaendigkeitsfinder” ("Responsibility Finder"), by introducing a semantic layer (securing semantic interoperability between national and local
governments).
In Egypt (German University of Cairo): searching for eGov services provided by an EU country. Use case: applying for a work permit in an EU country.
Pilot Applications
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Service-based architecture of Access-eGov systemMartin Tomášek, Karol Furdík WIKT 2006, 28. - 29. 11. 2006, Bratislava
ArchitectureDescription Framework :
WHY?
WHAT?
HOW?
WITH
WHAT?
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Service-based architecture of Access-eGov systemMartin Tomášek, Karol Furdík WIKT 2006, 28. - 29. 11. 2006, Bratislava
Architecture contextSecurity requirements: Privacy (secure personal info), Communication
security (data encrytion), Access Control, Trust between nodes.
General functional reqs: Reliability (Maturity, Recoverability, Fault tolerance - SoA: components not tightly coupled), Efficiency (caching, effective storage layer).
User reqs: eSignature for transactional operations (e. g. invoking services, filling in electronic forms), XML based interface available (including exchange of user information if user permits), Tracing business processes, Retrieval of services / life events, Scenario construction, Personalisation, Multilinguality, etc.
Data reqs: Changeability (esp. on Ontology level), Reusability (Knowledge storage is decoupled from other components), Suitability (rich set of knowledge concepts for semantic descriptions).
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Service-based architecture of Access-eGov systemMartin Tomášek, Karol Furdík WIKT 2006, 28. - 29. 11. 2006, Bratislava
Conceptual Architecture (1)Security view• Single-Sign-On (SSO) functionality• Solution allows public agencies to keep their own preferred technology for
user authenticationFunctional view• Annotation of services, effective data storage• Retrieval of services according to certain citizen requests • Stringing annotated services together to form new “meta services” -
scenariosData view• Ontologies - semantic description of real-world concepts• Ontologies used:
– Life events ontology– Service profiles ontology– Access-eGov Domain ontology
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Service-based architecture of Access-eGov systemMartin Tomášek, Karol Furdík WIKT 2006, 28. - 29. 11. 2006, Bratislava
Conceptual Architecture (2)Functional description : Information provider view
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Service-based architecture of Access-eGov systemMartin Tomášek, Karol Furdík WIKT 2006, 28. - 29. 11. 2006, Bratislava
Conceptual Architecture (3)Functional description : Information consumer view
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Service-based architecture of Access-eGov systemMartin Tomášek, Karol Furdík WIKT 2006, 28. - 29. 11. 2006, Bratislava
Logical Architecture (1)
Public Administration tools
ServicesUser clients AeG Infrastructure components
Core components
Composition ExecutionDiscovery
Mediation
AeG PersonalAssistant client
AeG Annotation services
Data repositories
Other servicerequester
Electronicservices (web/e-
forms)
"Traditional"services
Platform taken : Web Services + service oriented Peer-to-Peer architecture
System architecture - Component groups:
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Service-based architecture of Access-eGov systemMartin Tomášek, Karol Furdík WIKT 2006, 28. - 29. 11. 2006, Bratislava
Logical Architecture (2)Use Case “Service Discovery”:
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Service-based architecture of Access-eGov systemMartin Tomášek, Karol Furdík WIKT 2006, 28. - 29. 11. 2006, Bratislava
Logical Architecture (3)Use Case “Service Composition”:
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Service-based architecture of Access-eGov systemMartin Tomášek, Karol Furdík WIKT 2006, 28. - 29. 11. 2006, Bratislava
Logical Architecture (4)Use Case “Service Execution”:
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Service-based architecture of Access-eGov systemMartin Tomášek, Karol Furdík WIKT 2006, 28. - 29. 11. 2006, Bratislava
Logical Architecture (5)Data view:
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Service-based architecture of Access-eGov systemMartin Tomášek, Karol Furdík WIKT 2006, 28. - 29. 11. 2006, Bratislava
Physical ArchitectureWSMX Architecture: http://www.wsmo.org
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Service-based architecture of Access-eGov systemMartin Tomášek, Karol Furdík WIKT 2006, 28. - 29. 11. 2006, Bratislava
Future work• Specification of components: (almost finished)
• Annotation services & Ontologies: design and development of data repositories and functional components for semantic description and annotation of eGov services
• Implementation of the core Access-eGov system
• Pilot applications, development and customization of the system for particular pilot application
• Testing, evaluation
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Service-based architecture of Access-eGov systemMartin Tomášek, Karol Furdík WIKT 2006, 28. - 29. 11. 2006, Bratislava
Thank you for your attention.
http://www.accessegov.org
{Martin.Tomasek, Karol.Furdik}@intersoft.sk