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Table 4 Ranking comparison of the six approaches with the Amazon dataset

From: Helping consumers to overcome information overload with a diversified online review subset

Approach Diversity rank Opinion distance rank Coverage rank Average rank
SA-DRS 1 3 3 2.3
Greedy-U 4 4 1 3.0
Greedy-Q 2 6 2 3.3
Greedy-DRS 3 5 4 4.0
Greedy-QARS 5 2 5 4.0
IR-CRS 6 1 6 4.3