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Rapid Application Development with Mozilla™ by Nigel McFarlane

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11.8. Summary

Fact-based systems are a little different from normal data processing. There's plenty of new concepts to pick up: fact, tuple, triple, subject, object, predicate, fact store. When those are finished, there's RDF-specific terminology as well: description, resource, property, value, container, URL, URN. RDF is a not-so simple application of XML, but at least it has a core of sensible design.

In addition to standards- and theory-based concept, Mozilla has a number of concrete, heavyweight internal structures that can pump information around. These are different from simple event-processing systems because the processing content takes time. Channels and data sources are heavyweight structures that are intimately tied to RDF.

Inside ...

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