The term "Triple" is being used in Semantic Web Technology. The english wikipedia article on "Triple" describes a triple as The atomic data entity in the Resource Description Framework

Three part structure

A Triple consists of

  1. subject
  2. predicate
  3. object

Examples for triples

Here are some triples:

dad loves mum
kid loves mum
kid loves dad
dad hates sister_in_law
sister_in_law likes mum
kid likes granny

Natural graph representation of triples

Each Triple of subject - predicate - object can be presented as a graph. The above triples would e.g. be represented as:

Or in the abstract notation each Triple as:


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