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Question

Why might mappings in OBDA systems become obsolete?

a.

When the ontology changes.

b.

When the sources remain static.

c.

When new sources are added.

d.

When the mappings are initially defined.

Posted under Big Data Computing

Answer: (a).When the ontology changes. Explanation:Mappings in OBDA systems may become obsolete when the ontology changes.

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Q. Why might mappings in OBDA systems become obsolete?

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