A Hybrid Genetic Algorithm to Minimize Total Tardiness for Unrelated Parallel Machine Scheduling with Precedence Constraints

Table 1

Problem data of the instance.

	job1	job2	job3	job4	job5	job6	job7	job8	job9
𝑝𝑗1	3	4	8	2	5	9	3	5	8
𝑝𝑗2	9	5	2	6	9	4	8	7	5
𝑑𝑗	3	4	5	7	9	8	11	13	12