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Getting Deep Into Metadata Part 2

By Nate Zelnick The code, boss, the code! RDF does this with a very simple model for describing the relationship between an object, called a node and some piece of information about it, called a property. The property is given context by a node subset called a PropertyType An object is referenced by its location, described by its Uniform Resource Identifier (URI). URLs are one type of URIs and is described by its properties. So, the authorship of an article called "RDF Emerges in Metadata Explosion" in the online newspaper called The Foo York Times, written by Lance Foobar could be described like this:
 [http://www.fooyorktimes.com/RDF.html] --->Author--->"Lance Foobar"  
As you can see from this simple example, the basic idea of RDF is that "resources (URIs)" have "properties (canonical values)" that consist of "propertyTypes (Author, Title, etc.)". These values are called triples. If we add another property and PropertyType of the URI above so that it reads like this:


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