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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