This instance is from the city of Patras in the year 2008.
The instance was provided by the Headship of Second Grade Education of Achaia county;
the school the instance belongs to, is not disclosed.
The instance was converted to XHSTT by Ioannis Tassopoulos and Grigorios Beligiannis
from their own format.
A summary of the data can be found in the following table:
|
Assets |
Times |
Teachers |
Rooms |
Students |
Classes |
# events |
Total duration |
|
value |
35 |
19 |
- |
- |
12 |
262 |
262 |
The following constraints are present:
- Scheduling constraints: AssignTimeConstraint.
- Event constraints: SpreadEventsConstraint and LinkEventsConstraint.
- Resource constraints: AvoidClashesConstraint, AvoidUnavailableTimesConstraint, LimitIdleTimesConstraint, and LimitBusyTimesConstraint.
The following feasible solutions are submitted for this instance:
|
SolutionGroup |
Objective value |
Lowerbound |
Submitte by |
Received |
|
TassopoulosAndBeligiannis_2011-12-06 |
8 |
- |
Ioannis Tassopoulos and Grigorios Beligiannis |
December 6, 2011 |
|
TassopoulosAndBeligiannis_2014-04-26 |
4 |
- |
Ioannis Tassopoulos and Grigorios Beligiannis |
April 26, 2014 |
|
GOAL team - Feb 12, 2015 |
3 |
- |
UFOP-GOAL team: Fonseca G.H.G. Santos H.G. and Carrano E.G. |
February 23, 2015 |
|
LectioIntegerProgramming |
- |
3 |
Matias Sørensen |
November 11, 2015 |
XML files
WesternGreeceUniversityInstance4.xml (instance and solution)
previous versions:
GreeceWesternGreeceUniversityInstance4.xml (XHSTT2013)
[Update to 2014: cost function simplified.]