Fig. 5.6 Registering a PEM service in PRESTO
Fig. 5.7 XML document returned by the getServicesSIM service
statements. Wires separates a section for objects that will be used as data sources
(the “mashables” section). The previously registered REST Web services are stored
in this section.
Figure 5.8 shows an example of two PEM REST services registered as mashable
objects in the Presto tool. They are being used to create a Web Mashup application.
Once a Mashup Web application is created, it is possible to select a visual form of
presenting it. Figure 5.9 illustrates a Web mashup application that displays historical
data collected by sensor of light intensity of a WSN using two different types of