1. WS-Talk Web Service Talking in the Language of Their User Community Department of Computer Science Royal Holloway, University of London Prof. Fionn Murtagh, and Pedro Contreras fionn, pedro @ cs.rhul.ac.uk UDP

2. WS-Talk Project  Founded project under 6th Framework Co-operative Research (CRAFT) Project  9 Partners in 6 Countries (UK, Germany, France, Greece, Turkey, and Chile) fionn, pedro @ cs.rhul.ac.uk Lemon Labs GmbH ARCHIMEDIA S.A. AKRA GmbH LuckyEye Group Soluciones S.A. Department of Computer Science Royal Holloway, University of London Université Paul Sabatier, Institut de Recherche en Informatique de Toulouse Foundation of Research and Technology, Hellas, Institute of Computer Science Universidad Diego Portales http://www.lemon-labs.com http://www.archimedia.gr http://www.akra.de http://www.luckyeye.com http://www.soluciones.cl http://www.cs.rhul.ac.uk http://www.irit.fr http://www.ics.forth.gr http://www.udp.cl

3. Add Natural-language processing capabilities to locate services in a semantic context WS-Talk Aim fionn, pedro @ cs.rhul.ac.uk

4. How WS-Talk does Works? Load documents data set into the system Load ontologies System : –Apply Porter’s stemming algorithm –Extract : most frequent terms, most discriminating terms, relationship among terms, and clustering of terms –Apply Voting method –Indexation and Generation of Document’s annotations –Store results into a DB to be exploit later fionn, pedro @ cs.rhul.ac.uk

5. Technology used XML Web Services protocols (WSDL, SOAP, UDDI) Java (J2EE) Exploring BPEL and WS-CDL to compose services fionn, pedro @ cs.rhul.ac.uk

6. Querying the system (Demo) fionn, pedro @ cs.rhul.ac.uk

7. Current and Future Work Working on Service Composition through Web Services Orchestration / Choreography Tuning text processing capabilities fionn, pedro @ cs.rhul.ac.uk