Western Greece University Instance4 (GR-PA-08)

 Western Greece University Instance4

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.]