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Best known solutions |
![GPost](../images/GPost_small.png) |
File |
GPost.ros |
Problem |
GPost
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Employees |
8 |
Schedule length |
4 weeks |
Cover type |
Cover is specified per shift. |
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Other versions |
GPost-B.ros
Same as GPost.ros but without the requests on the first two days. |
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![SINTEF](../images/SINTEF_small.png) |
File |
SINTEF.ros |
Problem |
SINTEF
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Employees |
24 |
Schedule length |
3 weeks |
Cover type |
Cover is specified per shift. |
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![ORTEC](../images/ORTEC_small.png) |
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Other versions |
ORTEC02.ros
Identical to ORTEC01 except employee B has five "Vacation" shifts in the first full week. |
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![QMC](../images/QMC_small.png) |
File |
QMC-1.ros |
Problem |
QMC
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Employees |
19 |
Shift types |
3 |
Period |
28 days |
Cover type |
Cover is specified per shift. |
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Other versions |
QMC-2.ros
An alternative formulation with a couple of different constraints and
in which cover may deviate from a preferred level. |
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![Ikegami2](../images/Ikegami2_small.png) |
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![Ikegami3](../images/Ikegami3_small.png) |
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![Millar](../images/Millar_small.png) |
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![BCV3](../images/BCV3_small.png) |
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![BCV4](../images/BCV4_small.png) |
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![Azaiez](../images/Azaiez_small.png) |
File |
Azaiez.ros |
Problem |
Azaiez
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Employees |
13 |
Shift types |
2 |
Period |
28 days |
Cover type |
Cover is per shift and by skill level. |
References |
[AZA05] |
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![Valouxis](../images/Valouxis1_small.png) |
File |
Valouxis-1.ros |
Problem |
Valouxis
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Employees |
16 |
Schedule length |
28 days |
Shift types |
3 |
Cover type |
Cover is specified per shift. |
References |
[VAL00] |
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![HED01](../images/HED01_small.png) |
File |
HED01.ros |
Problem |
HED01
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Employees |
20 |
Schedule length |
31 days |
Shift types |
5 |
Cover type |
Cover is per shift and includes skills. |
Comments |
(Uses the Conditional constraint). |
References |
[PUE09] |
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![BCDT-Sep](../images/BCDT-Sep_small.png) |
File |
BCDT-Sep.ros |
Problem |
BCDT
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Employees |
20 |
Schedule length |
30 days |
Shift types |
4 |
Cover type |
Cover is per shift. |
References |
[BEL04] |
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![WHPP](../images/WHPP_small.png) |
File |
WHPP.ros |
Problem |
WHPP
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Employees |
30 |
Schedule length |
2 weeks |
Shift types |
3 |
Cover type |
Cover is specified per shift. |
References |
[WEI95] |
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![LLR](../images/LLR_small.png) |
File |
LLR.ros |
Problem |
LLR
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Employees |
27 |
Schedule length |
7 days |
Shift types |
3 |
Cover type |
Cover is specified per shift. |
References |
[LI03] |
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![Musa](../images/Musa_small.png) |
File |
Musa.ros |
Problem |
Musa
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Comments |
This instance is taken from a fairly early publication on nurse rostering. A UNIVAC 1100 was used to solve it in 1982! |
Employees |
11 |
Schedule length |
14 days |
Shift types |
1 |
Cover type |
Cover is specified per shift, minimum and preferred levels are used. |
References |
[MUS84] |
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![Ozkarahan](../images/Ozkarahan_small.png) |
File |
Ozkarahan.ros |
Problem |
Ozkarahan
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Employees |
14 |
Schedule length |
7 days |
Shift types |
2 |
Cover type |
Cover is specified per shift. |
References |
[OZK89] |
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![MER](../images/MER_small.png) |
File |
MER.ros |
Problem |
Montreal
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Employees |
54 |
Shift types |
12 |
Period |
6 weeks |
Cover type |
Cover is per time period of the day. |
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![CHILD](../images/CHILD_small.png) |
File |
CHILD.ros |
Problem |
Montreal
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Employees |
41 |
Shift types |
5 |
Period |
6 weeks |
Cover type |
Cover is per time period of the day. |
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![ERRVH](../images/ERRVH_small.png) |
File |
ERRVH.ros |
Problem |
Montreal
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Employees |
51 |
Shift types |
8 |
Period |
6 weeks |
Cover type |
Cover is per time period of the day. |
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![ERMGH](../images/ERMGH_small.png) |
File |
ERMGH.ros |
Problem |
Montreal
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Employees |
41 |
Shift types |
4 |
Period |
6 weeks |
Cover type |
Cover is per time period of the day. |
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