XHSTT-2012

This archive consists of improvements of archive XHSTT-2011. It is used in the first round of the International Timetabling Competition 2011.

Downloads:

• XHSTT-2012.zip (the full archive without solutions).
• XHSTT-2012-separate_instances.zip (the archive in a folder with separate instances and solutions).
• Archive with best solutions of round 1 of ITC2011.

Summary of the XHSTT-2012

Clicking the name of the instance will hyperlink you to the description of the instance.

Meaning of the columns

• Dataset: the (sometimes shortened) name of the dataset.
• Country: the country of the dataset.
• Time: the total number of times in the dataset.
• Teacher: the total number of resources of resource type "Teacher" in the dataset.
• Room: the total number resources of resource type "Room" in the dataset.
• Class: the total number resources of resource type "Class" in the dataset.
• Student: the total number resources of resource type "Student" in the dataset.
• Event: the total number of events in the dataset.
• Duration: the total duration of all events in the dataset.
• Orig: the best solution present at December 31, 2011. If the feasibility value is 0, then only the objective value is given, otherwise the pair (feasibility value, objective value).
• Best: the best solution found in the competition ITC 2011, better than the previous column. If the feasibility value is 0, then only the objective value is given, otherwise the pair (feasibility value, objective value). If "-" is displayed, an optimal solution is already known.