A Double Evolutionary Pool Memetic Algorithm for Examination Timetabling Problems

Table 2

The characteristics of benchmark exam timetabling problems.

Date set	Timeslots	Exams	Students	Conflict density
Car 91	35	682	16925	0.13
Car 92	32	543	18419	0.14
Ear 83	24	190	1125	0.27
Hec 92	18	81	2823	0.42
Kfu 93	20	461	5349	0.6
Lse 91	18	381	2726	0.6
Rye 92	23	486	11483	0.08
Sta 83	13	139	611	0.14
Tre 92	23	261	4360	0.18
Ute 92	10	184	2750	0.08
Uta 93	35	622	21266	0.13
York 83	21	181	941	0.29