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Triple Space Computing TSC

Triple Space Computing TSC. Reto Krummenacher reto.krummenacher@deri.org. Why Triple Space Computing?. TSC Project. Web site: http://tsc.deri.at Start date: March 2005 End date: August 2007 Duration: 30 months Number of partners: 4 Number of WPs: 6 Number of deliverables: 19. eWS.

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Triple Space Computing TSC

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  1. Triple Space ComputingTSC Reto Krummenacher reto.krummenacher@deri.org

  2. Why Triple Space Computing?

  3. TSC Project Web site: http://tsc.deri.at Start date: March 2005 End date: August 2007 Duration: 30 months Number of partners: 4 Number of WPs: 6 Number of deliverables: 19 eWS Thonhauser Data Engineering GmbH

  4. Technology Facts and Figures: Idea

  5. Technology Facts and Figures: Idea publish Triple Space take read

  6. Technology Facts and Figures: Architecture TSKernel • Coordination Infrastructure based on Super-Peer System • Server, Heavy Client, Light Client • No Client-Server but Consumer-Producer System

  7. Technology Facts and Figures TSKernel TS Kernal Architecture and Layering Conceptual Model of Space and Data

  8. Technology Facts and Figures: Conceptual Models • Triple Space: a virtual unit of the shared middleware • Triple Space URI: the identifier of a Triple Space • Triple Space Domain, e.g. <ts://tsc.deri.at/space/> • RDF Triples: fundamental Semantic Web data model • RDF Graph: a set of “manually” grouped triples • Named Graph: a pair (URI u, RDF Graph g) http://tsc.deri.at/doap.rdf obj sub

  9. Technology Facts and Figures: TS Kernel write, read, take, query, update, subscribe, advertise based on - URIs - Templates (SPARQL, N3QL) - Named Graphs setPermissions, createUser, deleteUser, createRole, deleteRole, addUserToRole based on - Named Graphs - Meta Graph add, remove mediation rules based on - RDF Triples - URIs

  10. Technology Facts and Figures: Coordination CORSO: Shared Object Space

  11. Technology Facts and Figures: Interaction API URI Graph (RDF Graph) Template Callback write(URI ts, Graph triples):URI read(URI ts, Template template):Graph take(URI ts, URI graph):Graph subscribe (URI ts, Template t, Callback c):URI advertise (URI ts, Template t):URI … Template: { ?s rdf:type d:Project ; d:helper [foaf:name “Reto Krummenacher“] . } Triple and Graph Pattern from SPARQL/N3QL

  12. Technology Facts and Figures: Interaction API http://tsc.deri.at/doap.rdf

  13. Outlook and Conclusion • Triple Space Computing: new communication and coordination paradigm for machine-machine interaction. • TSC project: proof of concept through prototype implementation and use case analysis with Semantic Web service. • Technology: re-arrangement and combination of established Web technology and Shared Object Space middleware. • AS-IS: conceptual and architectural guidelines and implementation plans. • TO-BE: prototype implementation and showcase

  14. Thank you. contact: http://tsc.deri.at reto.krummenacher@deri.org

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