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Question

What is one of the main aspects considered when comparing schema mappings in research?

a.

Their ability to generate source data.

b.

Their ability to transfer target data.

c.

Their logical equivalence.

d.

Their semantic indistinguishability.

Posted under Big Data Computing

Answer: (d).Their semantic indistinguishability. Explanation:One of the main aspects considered when comparing schema mappings in research is their semantic indistinguishability, which is captured by logical equivalence.

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Q. What is one of the main aspects considered when comparing schema mappings in research?

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