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MICS
2010
77views more  MICS 2010»
13 years 3 months ago
Preemptive Scheduling of Equal-Length Jobs in Polynomial Time
We study the preemptive scheduling problem of a set of n jobs with release times and equal processing times on a single machine. The objective is to minimize the sum of the weighte...
George B. Mertzios, Walter Unger
CONSTRAINTS
2011
12 years 11 months ago
A global constraint for total weighted completion time for unary resources
We introduce a novel global constraint for the total weighted completion time of activities on a single unary capacity resource. For propagating the constraint, we propose an O(n4...
András Kovács, J. Christopher Beck
EAAI
2008
101views more  EAAI 2008»
13 years 4 months ago
A global constraint for total weighted completion time for cumulative resources
The criterion of total weighted completion time occurs as a sub-problem of combinatorial optimization problems in such diverse areas as scheduling, container loading and storage a...
András Kovács, J. Christopher Beck
CPAIOR
2007
Springer
13 years 10 months ago
A Global Constraint for Total Weighted Completion Time
We introduce a novel global constraint for the total weighted completion time of activities on a single unary capacity resource. For propagating the constraint, an O(n4 ) algorithm...
András Kovács, J. Christopher Beck
ICALP
2001
Springer
13 years 9 months ago
On the Approximability of Average Completion Time Scheduling under Precedence Constraints
Abstract. We consider the scheduling problem of minimizing the average weighted job completion time on a single machine under precedence constraints. We show that this problem with...
Gerhard J. Woeginger