Operational Research
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Inventory and pricing decisions for a dual-channel supply chain with deteriorating products
Operational Research - Tập 20 - Trang 1461-1503 - 2018
Dual-channel supply chain structure, i.e., a traditional retail channel added by an online direct channel, is widely adopted by a lot of firms, including some companies selling deteriorating products (e.g. fruits, vegetables and meats, etc.). However, few papers in literature consider deterioration property of products in dual-channel business models. In this paper, a single-retailer-single-vendor...... hiện toàn bộ
How do I tell you what I want? Agent’s interpretation of principal’s preferences and its impact on understanding the negotiation process and outcomes
Operational Research - Tập 19 - Trang 993-1032 - 2019
In this paper we analyze how the way in which the principal’s preferences are visualized may affect the accuracy of representation of this principal by their agent. We study the processes of multi-issue electronic representative negotiations conducted by agents on behalf of their principals by means of the negotiation support system that implements a simple decision support tool for eliciting the...... hiện toàn bộ
Adaptive stability: general approach and examples
Operational Research - Tập 15 - Trang 437-452 - 2015
In this article we study the situation, where an optimal solution of a combinatorial optimization problem is known and we are equipped with the simple algorithms allowing to adapt our solution to different distortions of the initial data set. We wish to describe the distortions which allow the adaptation of the given optimal solution by the given simple algorithm preserving the optimality of the f...... hiện toàn bộ
A decision support model for robust allocation and routing of search and rescue resources after earthquake: a case study
Operational Research - Tập 22 - Trang 1039-1081 - 2020
The efficient planning of search and rescue (SAR) operations is highly impactful in the disaster response phase, which offers a limited time window with a declining chance for saving trapped people. The present paper introduces a new robust decision support framework for planning SAR resource deployment in post-disaster districts. A two-stage decomposition approach is applied to formulate the prob...... hiện toàn bộ
Thời gian chạy sản xuất tối ưu cho hệ thống tồn kho sản xuất không hoàn hảo với việc chỉnh sửa, sự cố ngẫu nhiên và chi phí kiểm tra Dịch bởi AI
Operational Research - Tập 21 - Trang 167-204 - 2018
Trong các hệ thống sản xuất thực tế, sự xuất hiện của các sản phẩm bị lỗi trong một lô hàng là điều không thể tránh khỏi. Trong khi các sản phẩm này có thể chỉ bị loại bỏ trong ngành thực phẩm, thì trong các ngành công nghệ cao, nơi sản phẩm cuối cùng có giá thành rất cao, chúng có thể được chỉnh sửa với một chi phí nhất định. Một giả định chung trong tài liệu là thời gian kiểm tra cần thiết để xá...... hiện toàn bộ
Estimation of the water balance of cultivated soils by mathematical models
Operational Research - Tập 5 - Trang 127-140 - 2005
In the last two decades a large number of mathematical models have been developed and used for simulating and predicting the unsaturated flow in non — cultivated and cultivated soils. It is the purpose of this paper to show the dynamics of these models and also to present a model that has been developed in the Laboratory of General and Agricultural Hydraulics and Land Reclamation of the School of ...... hiện toàn bộ
Formulating the integrated forest harvest-scheduling model to reduce the cost of the road-networks
Operational Research - Tập 20 - Trang 2283-2306 - 2018
The integrated harvest-scheduling model addresses the tactical forest management planning problem of maximizing harvest revenues minus road construction and transportation costs. This paper considers the problem of developing innovations to this model such that it can: (1) be used to generate solutions to problem instances containing a large set of candidate roads, with many circuits; (2) yield im...... hiện toàn bộ
Development of a model application for WWW environments to sustain environmental education projects about the forest
Operational Research - Tập 5 - Trang 93-103 - 2005
Environmental education is an important means for the protection of the natural environment. Information and Communication Technologies (ICTs) support various educational tasks, especially with the aim of WWW environments. Information for environmental education projects about the forest can be acquired through Forest Service. Thus, it is developed a model web site to use as a template for any For...... hiện toàn bộ
Single machine scheduling to maximize the weighted number of on-time jobs with job-rejection
Operational Research - Tập 22 - Trang 2707-2719 - 2021
We study a single machine scheduling problem, where the goal is to maximize the weighted number of jobs completed exactly at their due-dates. The option of job-rejection is considered, i.e., the scheduler may perform only a subset of the jobs. An upper bound on the total permitted rejection cost is assumed. The problem is proved to be NP-hard, and a pseudo-polynomial dynamic programming algorithm ...... hiện toàn bộ
A branch-and-bound algorithm for the two-machine total completion time flowshop problem subject to release dates
Operational Research - Tập 20 - Trang 21-35 - 2017
We consider the problem of minimizing the sum of completion times in a two-machine permutation flowshop problem subject to release dates. We derive several lower bounds as well as a branch-and-bound algorithm for the problem under consideration. Computational experiments, on a large set of randomly generated instances, provide evidence that the proposed procedure performs consistently well.
Tổng số: 651
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