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Incorporating Semantics with P2P Resource Distribution Networks

Incorporating Semantics with P2P Resource Distribution Networks. Ryan Blace December 7 th , 2006 Network Architecture and Protocols Final Report. How?. OWL. Semantic Web Technology. What is it?. Tiered Resource Distribution Network. Project Overview.

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Incorporating Semantics with P2P Resource Distribution Networks

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  1. Incorporating Semantics with P2P Resource Distribution Networks Ryan Blace December 7th, 2006 Network Architecture and Protocols Final Report

  2. How? OWL Semantic Web Technology What is it? Tiered Resource Distribution Network

  3. Project Overview • Build a baseline resource distribution framework on Jxta • Some peers ‘seed’ the network with resources • All peers can communicate and transfer resources • Baseline communication (no Semantics) • Familiarization with Jxta technology and design philosophy • Investigation and assessment of how to incorporate Semantic Web technologies • Is it appropriate? • How easy or difficult would it be? Resource Distribution Peer Life Cycle

  4. Communication Querying for Resources Transferring Resources

  5. Semantic Web 101 • The Semantic Web is about making information available on the WWW readable and understandable by machines. • It is the collection of standards, protocols, recommendation, applications, etc… that go into making this possible. • Web Ontology Language (OWL) • Resource Description Framework (RDF) • Semantic Web Rule Language (SWRL) • SPARQL Semantic Query Language for RDF • And many many many many many more. • It is all about information interchange and utilization.

  6. Critical Standards OWL (Web Ontology Language) –http://www.w3.org/TR/owl-features/ Models formal semantics in a way that lends itself to web sharing and cumulative knowledge SWRL (Semantic Web Rule Language) – http://www.w3.org/Submission/SWRL/ Models rules that enhance the meaning that can be expressed in OWL; also useful for translating between OWL ontologies SPARQL (Semantic Query Language for RDF) –http://www.w3.org/TR/rdf-sparql-query/ Standardized query language for RDF

  7. First experiment Run the solo Peer on Computer1 Observed the console output to see it querying and then transferring the files Opened each of the three files on Computer 1 to verify the transfer Second experiment Update Computer1 configuration to show the need for a new file ‘big.mp3’ Observe querying to see that no peers in the network have the file Drop the file into Computer2’s Resource Provider Peer Observe the successful query and transfer of ‘big.mp3’ to Computer1 by playing the mp3 Testing and Verification

  8. SPARQL • In the communication and querying OWL • In the peers Where does the SW fit?

  9. Conclusions • Jxta has a STEEP learning curve • Jxta is very powerful and useful • Semantic Web could easily fit into my or any Jxta architecture • Semantic Web would make it more extensible • Future efforts will start with adding Semantic Web querying and peer-level RDF storage • Future efforts will develop a Semantic querying network for distributing services, resources, and knowledge

  10. Questions?

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