Table 8 Result comparison of the six approaches with the example dataset
From: Helping consumers to overcome information overload with a diversified online review subset
Approach | Review subset | Diversity | Opinion distance | Coverage |
|---|---|---|---|---|
SA-DRS | #7, #10, #24, #28, #30 | 35.94 | 0.186 | 0.75 |
Greedy-U | #1, #2, #7, #8, #20 | 3.28 | 0.199 | 1.00 |
Greedy-Q | #5, #7, #8, #20, #28 | 12.76 | 0.226 | 1.00 |
IR-CRS | #1, #3, #6, #15, #17 | 3.01 | 0.052 | 0.75 |
Greedy-DRS | #5, #8, #10, #12, #13 | 5.33 | 1.599 | 0.75 |
Greedy-QARS | #1, #2, #3, #4, #5 | 2.72 | 0.199 | 0.75 |