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It is our mission to create an execution environment for the dynamic discovery, selection, mediation, invocation and inter-operation of Semantic Web Services. Our platform called Web Services Execution Environment (WSMX) is going to be a sample implementation of the Web Services Modelling Ontology (WSMO) which describes all aspects of Semantic Web Services.
Our goal is to provide both a testbed for WSMO and to demonstrate the viability of using WSMO as a means to achieve dynamic inter-operation of Web Services. The development process for WSMX includes:
Following a top-down, component based development approach, WSMX will provide a whole framework capable of carrying out in the future, the dynamic discovery, mediation, selection, invocation and inter-operation of Web Services. From the beginning we aim to include all the basic components of the WSMX platform, providing complete implementation for them in the later stages of the project. This is why the first version of WSMX platform will be based on WSMX-O, a subset of WSMO standard ontology. The final scope of WSMX will be the domain defined by WSMO Standard and WSMO Full ontologies.
Focusing on the restricted conceptual model provided by WSMX-O, allows the implementation of a simple extensible framework to execute basic Semantic Web Services. This framework will be designed in such a way that any later extension and improvement of the functionality should be easily possible. The strong component decoupling allows new components to be plugged in and provides opportunities to achieve richer functionality. Each subsequent version of WSMX will extend and improve the functionality of the components of the framework until it reaches the full Semantic Web Services support.
The WSMX working group is open for any new members. We aim to bring together research groups, research projects, software developers and user communities to build the complete Semantic Web Services execution environment.
The work is funded by the European Commission under the projects DIP, Knowledge Web, Ontoweb, SEKT, SWWS, Esperonto, and h-TechSight; by Science Foundation Ireland under the DERI-Lion project; and by the Vienna city government under the CoOperate program.
The editors would like to thank to all the members of the WSMX working group for their advice and input into this document.