Towards a RESTful Service Ecosystem
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Presentation at the 4th IEEE International Conference on Digital Ecosystems and Technologies (IEEE DEST 2010) in Dubai, U.A.E.
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Towards a RESTful Service Ecosystem
- 1. © Louise Docker Towards a RESTful Service Ecosystem Perspectives and Challenges Markus Lanthaler | Christian Gütl Graz University of Technology
- 2. © Matteo! How much time do you spent reformatting data?
- 3. The Web has liberated information from its physical containers ©Alexandre Duret-Lutz
- 4. Average information worker wastes 3.8 hours/week reformatting data © Irina Slutsky
- 6. SOA: A first attempt
- 7. REST – the better alternative?
- 8. Towards a RESTful Service Ecosystem
- 11. Service Discovery and Composition© Luis de Bethencourt
- 12. The Problem The Web still resembles its physical predecessors… just as the first cars did
- 13. The Problem SOA: A first attempt SOA: first attempt to streamline business processes © Jurvetson
- 14. SOA: A First Attempt SOAP + WSDL + UDDI © Capture Queen
- 15. SOA: A First Attempt SOAP ≈ RPC not Web-friendly © jvs11
- 16. SOA: A First Attempt REST – The Better Alternative? REST (Representational State Transfer)specifically developed for the Web © longhorndave
- 17. REST – The Better Alternative? SOAP REST © Michael Glasgow
- 18. REST – The Better Alternative? Service Interface Description REST typically has just ahuman-readable documentation
- 19. Service Interface Description Most interesting approaches are hRESTS and WADL WRDL NSDL SMEX-D Resedel RSWS WDL WADL: closely related to WSDL hRESTS: microformats for HTML doc. © Clever Cupcakes
- 20. Service Interface Description Semantic Annotation Syntactic description is not enough Semantic annotation ofdata and service behavior © aka Kath
- 21. Possible to create matching semantic stacks for SOAP and REST Semantic Annotation Ontology, e.g. WSMO-Lite annotations point to Semantic annotation SAWSDL MicroWSMO SA-REST SBWS extends extends extends Service interface description WSDL hRESTS WADL
- 22. Service Discovery and Composition Centralized? Discovery Decentralized? © Kai Markus Schreiber
- 23. We are working on a holistic frameworkcombines knowledge of the crowd and computer processing © Dave Jay
- 24. Thank you © 2010, Markus Lanthaler. Some Rights Reserved. http://creativecommons.org/licenses/by-nc-sa/3.0/
- 25. Feedback/Questions? Markus LanthalerGraz University of Technology Markus.Lanthaler@student.TUGraz.at
- 26. Bonus Slides
- 27. Service Interface Description http://search.yahooapis.com/NewsSearchService/V1/newsSearch?appid=YahooDemo&query=dubai&results=2&language=en
- 28. Service Interface Description Payload description: XML/RelaxNG schemas, Internet Media Types, ..? © aka Kath
- 29. Semantic Annotation Data mediation/integration is a common and still open problem © mdid
- 30. Semantic Annotation Service Discovery and Composition Use lifting/lowering schemasTranslation between service’s native and ontology’s format © Arenamontanus
- 31. O/X impedance mismatch © Luis de Bethencourt
- 32. © Luis de Bethencourt “We know the hard things are possible, we just have to make the easy things easy.” [Norman Walsh, 2006]
- 33. Used Images (1) http://www.flickr.com/photos/aussiegall/364313299/ (2) http://www.flickr.com/photos/xpmatteo/3871265342/ (3) http://www.flickr.com/photos/gadl/91682524/ (4) http://www.flickr.com/photos/irinaslutsky/2270350707/ (5) http://www.flickr.com/photos/luisbg/2072134438/ (7) http://www.flickr.com/photos/jurvetson/157722937/ (8) http://www.flickr.com/photos/uaeincredible/64162372/ (9) http://www.flickr.com/photos/jvs11/4253275748/ (10) http://www.flickr.com/photos/davidw/3501319155/ (11) http://www.flickr.com/photos/glasgows/ (13) http://www.flickr.com/photos/clevercupcakes/4397152402/ (14) http://www.flickr.com/photos/aka_kath/3035345165/ (16) http://www.flickr.com/photos/genista/6705950/ (17) http://www.flickr.com/photos/deapeajay/2597109669/ (22) http://www.flickr.com/photos/aka_kath/3035345165/ (23) http://www.flickr.com/photos/mdid/2698688454/ (24) http://www.flickr.com/photos/arenamontanus/2530501831/ (25) http://www.flickr.com/photos/ieatwaffles/2481416932/ (26) http://www.flickr.com/photos/luisbg/2072134438/