Abstract
Web Simulation Science may be viewed as part of the emerging discipline of Web Science. Essentially combining the Semantic Web with Modeling & Simulation, this area presents the opportunity for M&S to fully exploit the advantages of model ontologies, discovery, composition, interoperability and reuse in a revolutionary way. However, was this not also the promise of Web-based Simulation? This paper discusses what benefit Web Simulation Science could bring to M&S and what challenges this area must over come to make an impact in industry.