Figure 4

An SADI service description in N3 format (for readability). The document describes an instance of the serviceDescription class from the mygrid-moby-service ontology. In this "Hello" example, there is a single operation (all SADI services consist of a single operation), with a single input parameter that is of type NamedIndividual from the "hello.owl" ontology, and a single output parameter of type "GreetedIndividual" from the same ontology. This document can be retrieved (in RDF/XML format) by calling HTTP GET on the service's endpoint at http://sadiframework.org/examples/hello