OPTIMASpringer Science and Business Media LLC - Tập 13 - Trang 103-114 - 1991
Hartmut Stadtler
Im Rahmen der Reorganisation des Landesbetriebes Hamburger Stadtreinigung wurden zur Erhöhung der Effizienz und Wirtschaftlichkeit verschiedene Planungs- und Steuerungsinstrumente eingeführt. Eines dieser Instrumente stellt das EDV-gestützte Planungssystem OPTIMA, zur täglichen Planung der Abfallentsorgung des Stadtgebietes der Freien und Hansestadt Hamburg dar. Die Abfallentsorgung wird mit einem...... hiện toàn bộ
An improved evolutionary algorithm for the two-stage transportation problem with fixed charge at depotsSpringer Science and Business Media LLC - Tập 38 - Trang 189-206 - 2015
Herminia I. Calvete, Carmen Galé, José A. Iranzo
This paper addresses a two-stage transportation problem with a fixed charge at depots. The goal is to determine the best way of delivering a commodity from a set of plants to a set of customers with known demand using a set of potential depots as intermediate transshipment points, while minimizing the overall costs incurred. These costs refer to fixed costs arising from using the depots and to var...... hiện toàn bộ
Modelling the effects of the Austrian inpatient reimbursement system on length-of-stay distributionsSpringer Science and Business Media LLC - Tập 25 - Trang 183-206 - 2003
Marion Sabine Rauner, Achim Zeiles, Michaela-Maria Schaffhauser-Linzatti, Kurt Hornik
Abstract. This paper analyses the effects of the new Austrian performance-oriented inpatient payment system on discharge strategies of hospitals by investigating length-of-stay (LOS) distributions. Using generalised linear models applied to data from 1998, we calculate the impact of day and month of admission as well as types of admission and discharge on the LOS of inpatients with major diagnos...... hiện toàn bộ
Modeling strategic semiconductor assembly outsourcing decisions based on empirical settingsSpringer Science and Business Media LLC - Tập 30 - Trang 401-430 - 2008
Jei-Zheng Wu, Chen-Fu Chien
In semiconductor supply chains, most chip makers focus on core competence of wafer fabrication and utilize assembly outsourcing to reduce operational costs, enhance capital-effectiveness of investments, and diversify the risks among the vendors. Assembly outsourcing decisions involve strategic partnerships with vendors and operational excellence for order allocations subject to production constrai...... hiện toàn bộ
BuchbesprechungenSpringer Science and Business Media LLC - Tập 11 Số 4 - Trang 255-256 - 1989
Hans‐Otto Günther, Horst Wildemann, Karl Heinz Hoffmann