Open Learning Service Scenarios on GRIDs Open Learning Service Scenarios on GRIDs
نویسنده
چکیده
The notion of a service is radically different from the one of a product, even if there may be a smooth transition between the two viewpoints. Assuming typical products to be cars, washing machines, DMBS or Web sites consisting of collections of static HTML pages, typical services may be represented by legal, financial, medical, educational or advising services of many different kinds, including electronic services complementary to and integrated with human services. In order to simplify our subsequent arguments, we will consider “providers” and “consumers” of services, both called Agents, irrespectively on their human or artificial (software + hardware + network) nature.
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