Position Paper: A Grid Service Discovery Matchmaker Based on Ontology Description. - Simone A. Ludwig; P. van Santen (EuroWeb, 2002)

PortalLab: A Web Services Toolkit for Building Semantic Grid Portals. - Maozhen Li 001; P. van Santen; David W. Walker; Omer F. Rana; Mark A. Baker (CCGRID, 2003)

SGrid: a service-oriented model for the Semantic Grid. - Maozhen Li 001; P. van Santen; David W. Walker; Omer F. Rana; Mark A. Baker (Future Gener. Comput. Syst., 2004)