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2. RDF: Heart and Soul > 2.2. The RDF Triple

The RDF Triple

Three is a magical number. For instance, three legs are all you need to create a stable stool, and a transmitter and two receivers are all you need to triangulate a specific transmission point. You can create a perfect sphere with infinitely small triangles. (Triangles are a very useful geometric shape, also used to find the heights of mountains and the distances between stars.)

RDF is likewise based on the principle that three is a magic number—in this case, that three pieces of information are all that’s needed in order to fully define a single bit of knowledge. Within the RDF specification, an RDF triple documents these three pieces of information in a consistent manner that ideally allows both human and machine consumption of the same data. The RDF triple is what allows human understanding and meaning to be interpreted consistently and mechanically.


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