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Jens Hartmann York Sure Raphael Volz Rudi Studer The OntoWeb Portal.

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Presentation on theme: "Jens Hartmann York Sure Raphael Volz Rudi Studer The OntoWeb Portal."— Presentation transcript:

1 Jens Hartmann York Sure Raphael Volz Rudi Studer The OntoWeb Portal

2 WP6: The extended OntoWeb Portal 17.10.2003 J. Hartmann Agenda Motivation Use Case The OntoWeb Portal Framework Conclusion

3 WP6: The extended OntoWeb Portal 17.10.2003 J. Hartmann Motivation feeds informs SemWeb Community Portal „Eat your own dog food“ …

4 WP6: The extended OntoWeb Portal 17.10.2003 J. Hartmann Use Case B OntoWeb Edu OntoWeb.org A OntoWeb Roadmap C Problem: A ≠ B ≠ C A user familar with OntoWeb.org needs information about specific educational resources for his lectures …

5 WP6: The extended OntoWeb Portal 17.10.2003 J. Hartmann First Steps B OntoWeb Edu OntoWeb.org D OntoWeb Roadmap C Provide Ontology D = A  B  C Provide access to content from B and C in A

6 WP6: The extended OntoWeb Portal 17.10.2003 J. Hartmann SEmantic PortalAL (SEAL) Architecture Easy access to knowledge for several clients Efficient Knowledge Organisation Ontology-based Knowledge Representation Semantically Publication Mechanism Integrates several information sources (DB, Documents, …) 5 Layer Architecture

7 WP6: The extended OntoWeb Portal 17.10.2003 J. Hartmann Knowledge Integration Content Import / Export Functionalities RDF Export (Access by CM-Interface) RDF Import (Access by portal administrator) Content Synchronisation Mechanism Portals running OntoWeb technologies can be synchronized automatically with eachother OntoWeb provides easy Content Management Interface (based on RDF)

8 WP6: The extended OntoWeb Portal 17.10.2003 J. Hartmann Knowledge Organisation & Representation Common Knowledge Repository Set up multiple portal instances framework Provides Central Index & Search mechanism Enhanced Framework Administration Trouble Ticket System Portal Wachtdog System Load-Balancing Server Portal X Index Content Portal X Portal Y Central Knowledge Repository Load-Balancing Server Portal Y Backup Server

9 WP6: The extended OntoWeb Portal 17.10.2003 J. Hartmann Some Benefits … Provides scalabale portal architecture to Handle large amount of users Store huge datasources Distributed portal settings Portal Clusters Provides reliable portal infrastructure to Optimize Uptime Might be reused for other projects Provides access to Semantic content Semantic metadata Provides personalized functionalities Users can share their information Build small subsites

10 WP6: The extended OntoWeb Portal 17.10.2003 J. Hartmann WP 6: The web portal 6.1.Creation of a seed ontology for the portal Description: To bootstrap the development of the portal, a base ontology will be designed in order to define the principles for the organization of the portal contents. 6.2 Creation of a browsable prototype of the portal Description: The first version of the portal will include standard browsing facilities. Mechanisms for content update and design guidelines will be established. 6.3: Complete ontology and portal Description: The ontology and the content of the prototype portal will be updated in a coordinated way in order to support the required functionality. Ontology query facilities will be incorporated. 6.4 Extended version of the portal Description: Taking as a basis the prototype built in task 6.3, extended facilities will be included into the portal. 6.5 Content upkeep Description: Portal functionality will be made partially compatible with DAML methods; complete access to all deliverables of the network will be provided, as well as collection of state-of-the-art tools for the semantic web.

11 WP6: The extended OntoWeb Portal 17.10.2003 J. Hartmann Current Status Sync Import AD B C Filter AIFB portal OntoWeb.org e.g. KM-Vision.org OntoWeb Edu OntoWeb Roadmap Planned extension E

12 WP6: The extended OntoWeb Portal 17.10.2003 J. Hartmann Summary Developed a scalable and reliable portal framework Provide facilities for knowledge representation (export of OntoWeb.org content to other portals) Provide facilities for knowledge integration (import of content from other portals into the OntoWeb.org portal) Collaboration with other semantic portals, exchanging content such as scientific events

13 WP6: The extended OntoWeb Portal 17.10.2003 J. Hartmann Thanks ! www.OntoWeb.org

14 WP6: The extended OntoWeb Portal 17.10.2003 J. Hartmann Summary OntoWeb community portal Integrated access to information related to OntoWeb network (members, researchers…) and research aspects (projects, events…) www.ontoweb.org Implemented by AIFB, University of Karlsruhe Content maintenance leaded by Universität Innsbruck Integration with OntoWeb Roadmap portal and OntoWeb Edu portal, based on RDF(S) interchange Collaboration with other semantic portals, exchanging content such as scientific events

15 WP6: The extended OntoWeb Portal 17.10.2003 J. Hartmann Use Case Goal: Provide access to „educational Resources“ from the OntoWeb Edu Portal in the main Portal Problem: Integration of knowledge from sources wich are not under control …

16 WP6: The extended OntoWeb Portal 17.10.2003 J. Hartmann OntoWeb Publication Mechanism

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