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What is a triple in the resource description framework?

  • A.A subject, a predicate and an object
  • B.A concept, a definition and an example
  • C.A rule, a condition and a conclusion
  • D.An entity, an attribute and a probability

Answer: A

RDF expresses everything as subject predicate object triples, which is exactly a labelled edge in a graph and is simple enough to be exchanged between systems that agree on nothing else. Definitions, rules and probabilities are layered on top by other standards. The minimal common structure of a labelled directed edge is what allows data from many sources to be merged without prior agreement about schema, which was the design goal.

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