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Characteristics of linked open data .............

(i) Are released under an open license
(ii) Does impede its reuse for free
(iii) Are released under restricted license
(iv) Does not impede its reuse for free

  • A.(i) and (ii) are correct
  • B.(ii) and (iii) are correct
  • C.(i) and (iv) are correct
  • D.(iii) and (iv) are correct

Answer: C

Characteristics i and iv apply, so the answer is (i) and (iv) are correct.

Linked open data is linked data that is published under an open licence (i), which means the licence does not impede its free reuse (iv). Tim Berners-Lee's five-star scheme for open data starts from exactly this requirement.

Statements ii and iii describe the opposite: data released under a restricted licence, whose free reuse is impeded, is not open. Every option containing ii or iii is wrong.

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