Journal of Big Data

Table 5 Query Difference Matrix (QDM)

From: On K-means clustering-based approach for DDBSs design

Query	Q₁	Q₂	Q₃	Q₄	Q₅	Q₆	Q₇	Q₈
Q₁	0	4	3	3	1	5	2	2
Q₂		0	3	3	3	3	4	2
Q₃			0	6	2	4	3	5
Q₄				0	4	2	3	1
Q₅					0	6	3	3
Q₆						0	3	3
Q₇							0	4
Q₈								0

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