IIE Transactions articles from July 2004

IIE Transactions archives from July 2004

Demand point aggregation analysis for a class of constrained location models: a penalty function approach.
July 1, 2004... 1. Introduction Location problems often involve locating new facilities to provide some service to existing facilities: places of demand for services (hereafter called demand points). Constrained location problems occur when new facilities...

Parallelism of continuous- and discrete-time production planning problems.
July 1, 2004... 1. Introduction When formulating an optimization problem, a modeler may choose either a discrete or continuous framework. In some cases, the derivation of the results may be simplified under one framework, compared to the other. The...

Economic lot scheduling with lost sales and setup times.
July 1, 2004... 1. Introduction We address the Economic Lot Scheduling (ELS) problem where a manufacturer makes a variety of product types on a single facility or assembly line. Our model accounts for the time to set up the facility, and charges a penalty...

A cyclic policy for the loading of multiple products on a vehicle with different compartment sizes.
July 1, 2004... 1. Introduction: problem definition, a motivational example and literature review In this paper, we address a multi-product loading problem in which a vehicle (a truck or a ship) transfers multiple products from a supplier to a customer in...

Two-echelon spare parts inventory system subject to a service constraint.
July 1, 2004... 1. Introduction We consider a spare parts inventory problem faced by a manufacturer of an expensive electronic machine such as mainframe computer. The manufacturer produces and sells the machine and provides service contracts to...

Stability and resource allocation in project planning.
July 1, 2004... 1. Introduction The research on the Resource-Constrained Project Scheduling Problem (RCPSP) has significantly expanded over the last few decades (for reviews see Herroelen et al. (1998), Brucker et al. (1999) and Kolisch and Padman...

Capacitated multicommodity network flow problems with piecewise linear concave costs.
July 1, 2004... 1. Introduction Large scale multicommodity network flow problems have received considerable attention from the research community. This is hardly surprising given the variety and the importance of the underlying practical applications of...

Order selection and scheduling with leadtime flexibility.
July 1, 2004... 1. Introduction As business emphasis has moved from a cost focus to a value focus, companies can no longer solely compete on price, but must also provide value to their customers through other "quality features." Short and reliable...

Erratum.(Correction Notice)
July 1, 2004... Please note the following correction to the article "The Effect of Discreteness in Vendor-Buyer Relationships" which appeared in the previous issue of IIE Trans, 2004, 36(6):583-589. Unfortunately, an error has fallen in the proof of Lemma...