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Why is the triple format chosen for exchanging knowledge?

  • A.It prevents contradictory statements from being merged
  • B.It is the simplest structure that can express any relation
  • C.Triples require less storage than any other representation
  • D.It matches the internal format of most relational databases

Answer: B

Any relational fact can be broken into labelled edges, so two data sets can be merged by concatenating their triples without any schema negotiation. That is the whole design argument. Storage is if anything worse than a table, relational databases store tuples of higher arity, and contradictions merge as freely as anything else. Choosing the smallest common structure, so that agreement is required about as little as possible, is the design principle behind most successful interchange formats.

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