1. Web Service Modeling Ontology - Lite (WSMO-Lite) 1st F2F meeting SDK cluster working group on Semantic Web Services Wiesbaden, Germany, 15-03-2004 Christoph Bussler (Dumitru Roman, Holger Lausen, Eyal Oren, Ruben Lara) Digital Enterprise Research Institute Chris.Bussler@deri.ie

2. 15-03-2004Christoph Bussler2 Contents Goal Relationship Expressiveness Approach Overview Elements

3. 15-03-2004Christoph Bussler3 Goal Definition of the minimal useful subset of WSMO-Standard Establishment of the simplest subset of concepts that are useful for defining integration Easing the implementation as a starting point for WSMO-Standard and WSMO-Full

4. 15-03-2004Christoph Bussler4 Relationship

5. 15-03-2004Christoph Bussler5 Expressiveness WSMO-Lite's expressiveness is equivalent to sending a single message to a web service interface from a web service requester This requires to establish –the communication web services' ontologies –the message definition –mediation between the ontologies of the web service requester and web service provider

6. 15-03-2004Christoph Bussler6 Approach WSMO-Lite follows the same structure as WSMO-Standard WSMO-Lite simplifies by omitting specific concepts from WSMO-Standard –The remaining set of concepts are minimal in the context of web service integration

7. 15-03-2004Christoph Bussler7 Overview Message Ontology Interface Invocation Network Mediation System

8. 15-03-2004Christoph Bussler8 Elements Non-functional properties Ontologies –Concepts –Relations –Instances Web Services –Capabilities –Interface Mediators

9. 15-03-2004Christoph Bussler9 Acknowledgements The work is funded by the European Commission under the projects DIP, Knowledge Web, Ontoweb, SEKT, SWWS, Esperonto, COG and h-TechSight; by Science Foundation Ireland under the DERI-Lion project; and by the Vienna city government under the CoOperate programme