Table 2 Comparison in cost and time (seconds) of the 3 approaches
From: A low complexity heuristic to solve a learning objects recommendation problem
Problem set | Classical algorithm | Proposed heuristic | Genetic algorithm | |||
|---|---|---|---|---|---|---|
Cost | Time | Cost | Time | Cost | Time | |
PS1 | 3 | 13.25x10−3 | 3 | 2.47x10−3 | 21 | 425.67 |
PS2 | 3 | 19.44x10−3 | 4 | 3.38x10−3 | 16 | 451.48 |
PS3 | 1 | 9.89x10−3 | 1 | 2.49x10−3 | 5 | 237.87 |
PS4 | 2 | 14.18x10−3 | 2 | 3.30x10−3 | 9 | 296.59 |
PS5 | 5 | 25.50x10−3 | 9 | 4.38x10−3 | 33 | 679.94 |
PS6 | 1 | 6.18x10−3 | 1 | 2.48x10−3 | 2 | 86.49 |