Improving a heuristic repair method for large-scale school timetabling problems

被引：0

作者：

Kaneko, K ^{[1
]}

Yoshikawa, M ^{[1
]}

Nakakuki, Y ^{[1
]}

机构：

[1] NEC Corp Ltd, C&C Media Res Labs, Miyamae Ku, Kawasaki, Kanagawa 2168555, Japan

来源：

PRINCIPLES AND PRACTICE OF CONSTRAINT PROGRAMMING-CP'99 | 1999年 / 1713卷

关键词：

D O I：

暂无

中图分类号：

TP31 [计算机软件];

学科分类号：

081202 ; 0835 ;

摘要：

Timetable construction is extremely difficult and time- consuming in large high-schools and universities. Even latest high-quality heuristic repair methods leave constraint violations to be fixed manually. This paper describes two improvements, initialization and repair. The improved initialization method applies a heuristic repair method whenever inconsistencies are found during the construction. The improved repair method escapes from local minima by moving two lectures at once in a way similar to the way billiard balls move. Evaluating these methods by using them on real high-school and university timetabling problems showed that they left between 30% and 97% fewer violations than a previous method left.

引用

页码：275 / 288

页数：14

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