An Integrated Approach for Shift Scheduling and Rostering Problems with Break Times for Inbound Call Centers

Table 4

Shift templates.

Shift number (s)	Time range (24h)	Existing/ Additional shifts	Shift periods		Allotted periods for break type #1	Allotted periods for break type #2	Allotted periods for break type #3	Allotted periods for break type #4
			Start (i)	End (e)
1	00-08	✓	1	32	3-8	11-17	21-26	27-32
2	08-16	✓	29	64	35-40	43-49	53-58	59-64
3	09-17		33	68	39-44	47-53	57-62	63-68
4	10-18	✓	37	72	43-48	51-57	61-66	67-72
5	11-19		41	76	47-52	55-61	65-70	71-76
6	12-20	✓	45	80	51-56	59-65	69-74	75-80
7	13-21		49	84	55-60	63-69	73-78	79-84
8	14-22		53	88	59-64	67-73	77-82	83-88
9	15-23		57	92	63-68	71-77	81-86	87-92
10	16-00	✓	61	96	67-72	75-81	85-90	91-96

✓: existing shifts, : additional shifts in the analyses, .