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Question

What do RDF stores like Hexastore and RDF-3X build indices for?

a.

All possible combinations of elements in RDF

b.

Only subject-predicate-object combinations

c.

Only subject-object combinations

d.

Only predicate-object combinations

Posted under Big Data Computing

Answer: (a).All possible combinations of elements in RDF Explanation:RDF stores like Hexastore and RDF-3X build indices for all possible combinations of elements in RDF, including SPO, SOP, PSO, POS, OPS, and OSP.

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Q. What do RDF stores like Hexastore and RDF-3X build indices for?

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