Prove that the query (D1 D2) (D3 (D4 D5)) can be answered immediately
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Prove that the query (D1 − D2) ∩ (D3 − (D4 ∩ D5)) can be answered immediately at both x1 and x3 if each of the sets is stored by its entity using the DSP method.
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Related Book For 
Design And Analysis Of Distributed Algorithms
ISBN: 9780471719977
1st Edition
Authors: Nicola Santoro
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