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20 May 2026
- 11:4411:44, 20 May 2026 diff hist −1 Web-HIPRE 2.0 No edit summary current
- 11:4311:43, 20 May 2026 diff hist +1,187 N Web-HIPRE 2.0 Created page with "Web-HIPRE (v.2.0) is a new browser based version of the earlier popular web-HIPRE (v.1.22) software for multiple criteria decision analysis. Decision analysis is a very useful approach in in evaluating decision alternatives in an interactive way with the stakeholders. Applications in environmental decision making are very common. This software has been extremely popular when teaching the methods. There is a related site for e-learning the approaches. In Web-HIPRE t..."
16 May 2026
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- 13:2213:22, 16 May 2026 diff hist +198 N Submit Material Created page with "This is a work in process. The end goal can only be achieved through your contributions – you may send a link to a material, or the material itself for uploading in the site to webmaster@ifors.org" current
- 13:2013:20, 16 May 2026 diff hist +4,363 N International Abstracts in OR (IAOR) Created page with "To our regret the last issue of International Abstracts in Operations Research (IAOR) was published in 2017. As a direct consequence of the merger with Springer, in 2016 Palgrave announced its decision not to renew its agreement with IFORS beyond the contract period that expires at the end of 2017. The main reason for this was a technical one – after close analysis, the publisher concluded that the enhanced content platform to which all Palgrave Journals migrated could..." current
- 13:1413:14, 16 May 2026 diff hist +70 Main Page No edit summary
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- 13:0213:02, 16 May 2026 diff hist +8 MOOCs: OR Courses for Free! No edit summary current
- 12:4912:49, 16 May 2026 diff hist +1,890 N MOOCs: OR Courses for Free! Created page with "Luciana Salete Buriol buriol@inf.ufrgs.br Several courses in Operational Research and related subjects are available for free in MOOCS - Massive Open Online Courses. Many of these courses address Computer Science, Maths and other OR related subjects, but a range of courses from other areas are also available, from Artificial Intelligence to Writing. People all over the world can attend these for free: it is a great opportunity for many operations researchers! The cours..."
- 12:4712:47, 16 May 2026 diff hist −755 Main Page Blanked the page Tag: Blanking
12 May 2026
- 04:4604:46, 12 May 2026 diff hist +1,810 N Using Integer Programming for Airport Service Planning in Staff Scheduling Created page with "By '''W.H. Ip, Nick Chung and George Ho''' '''Abstract''' Reliability and safety in flight is extremely necessary and that depend on the adoption of proper maintenance system. Therefore, it is essential for aircraft maintenance companies to perform the manpower scheduling efficiently. One of the objectives of this paper is to provide an Integer Programming approach to determine the optimal solutions to aircraft maintenance planning and scheduling and hence the planning..." current
- 04:4404:44, 12 May 2026 diff hist +1,429 N Solving a Large Real-world Bus Driver Scheduling Problem with a Multi-assignment based Heuristic Algorithm Created page with "by: '''Constantino, A. A., Mendonça, C. F. X., Araujo, S. A., Landa-Silva, D., Calvi, R. and Santos, A. F.''' '''Abstract:''' The bus driver scheduling problem (BDSP) under study consists in finding a set of duties that covers the bus schedule from a Brazilian public transportation bus company with the objective of minimizing the total cost. A deterministic 2-phase heuristic algorithm is proposed using multiple assignment problems that arise from a model based on a we..." current
- 04:4304:43, 12 May 2026 diff hist +3,692 N Proactive Overbooking Management to Ensure the Sky is Friendly to Fly Created page with "by: '''Christopher S. Tang''' Consumers around the world were disturbed by the video that showed a passenger was dragged off United’s flight 3411 by at least 3 security guards on April 10, 2017. Influenced by Confucius’ teachings on respect for elders, Asians were particularly upset because this passenger was a 69 year old Asian man. Due to an on-going lawsuit, I shall not comment on the incident that happened. Instead, I would like to propose a plan that can help U..." current
- 04:4104:41, 12 May 2026 diff hist +1,364 N Integrated Bus Transit Scheduling for the Beijing Bus Group based on a Unified Mode of Operation Created page with "By: '''Yindong Shen,Jiahong Xia''' '''Abstract''' This paper presents an applied study of scheduling buses and drivers for the Beijing Bus Group (BJBUS), the largest bus company in China. This is pioneering research in China for bus transit scheduling using computers based on a unified mode of operation. It is anticipated that the research fruits and experiences obtained would be of benefit to other bus operators in China. The bus transit scheduling problem in BJBUS is..." current
- 04:4004:40, 12 May 2026 diff hist +2,385 N Improving Carpool Flexibility without Compromising Trust or Guaranteed Rides Created page with "by: '''Fernando Lobo Pimentel''' '''Abstract''' Aiming at the same transport with less car usage, carpool systems are a more economical and ecological way to travel when compared to drive-alone behaviour. However, carpooling is difficult to promote. People do not carpool for schedule flexibility and trust concerns, and when addressing the first issue by bringing more people to the carpools to increase schedule options, one loses on the trust side because prior acquaint..." current
- 04:3804:38, 12 May 2026 diff hist +1,475 N Forward Supply Chain Network Design Problem: Heuristic Approaches Created page with "by: '''Cagri Koc, Eren Ozceylan, Saadettin Erhan Kesen, Zeynel Abidin Cil and Süleyman Mete''' '''Abstract''' Determining positions and counting of actors, amount of product flow between and decreasing transportation costs are handled as a network design problem in supply chain management. Supply chain network design (SCND) problem belongs to the class of NP-hard problems. It has therefore appealed to a number of researchers’ close attention. However, existing liter..." current
- 04:3604:36, 12 May 2026 diff hist +1,948 N Exploring Green Supply Chain Performance Measures Framework for Indian Manufacturing Practices Created page with "by: '''Sadia Samar Ali''' '''Abstract:''' The world has come a long way from the time of abundant and affordable energy to a time of limited and expensive energy. It is the need of the hour to preserve the lead resources and in the wake of the need for environmental protection, logistics and supply chain managers are required to reduce costs while maintaining good environmental performance standards. Manufacturing firms around the globe are opting for cradle to cradle..." current
- 04:3304:33, 12 May 2026 diff hist +2,077 N Effective Local Search Algorithms for High School Timetabling Problems Created page with "by: '''Saviniec, L. and Constantino, A. A.''' '''Highlights''' - We propose Iterated Local Search and Variable Neighborhood Search based algorithms for high school timetabling problems. - We devise two generic neighborhood operators that can be easily adapted to similar problems. - The hybridization between these neighborhood operators improves hugely the effectiveness of local search procedures. - The proposed algorithms outperform state-of-the-art approaches in tw..." current
- 04:0304:03, 12 May 2026 diff hist +1,323 N Applications of Fast-Moving RFID Tags in High-speed Railway Systems Created page with "by '''Xiaoqiang Zhang and Manos Tentzeris''' '''Abstract''' RFID technology has been widely utilized for the tracking and identification of numerous stationary and moving objects. One of the most challenging RFID applications has to do with the improvement in reliability, scheduling and efficiency of large‐scale transportation infrastructure. As an example, Radio Frequency Identification (RFID) technology in Ultra High Friency (UHF) frequencies (840‐845MHz and..." current
- 03:5903:59, 12 May 2026 diff hist +1,266 N A Heuristic Decomposition Method for Large-Scale Traffic Assignment: Aburra Valley Case Study Created page with "by: '''Laura Lotero, Patricia Jaramillo & Claudia Rave''' '''Abstract''' Traffic assignment is one of the most important stages in transportation planning; however, its application to real case studies in medium- to largesized cities makes the solution of the model difficult because of the scale and high computational complexity related to the combinatorial and non-linear nature of the problem. The aim of this paper is to present a decomposition method based on sub-reg..." current
- 03:5603:56, 12 May 2026 diff hist +1,718 N WCMFO (hybrid water cycle moth-flame optimization algorithm) source code Created page with "by: '''Soheyl Khalilpour''' '''Overview''' This paper proposes a hybrid algorithm based on Water Cycle and Moth-Flame Optimization algorithms for solving numerical and constrained engineering optimization problems. The spiral movement of moths in Moth-Flame Optimization algorithm is introduced into the Water Cycle Algorithm to enhance its exploitation ability. In addition, to increase randomization in the new hybrid method, the streams in the Water Cycle Algorithm are..." current
- 03:5503:55, 12 May 2026 diff hist +456 N USAID Research: Policy Framework, Principles and Operational Guidance Created page with "This policy document describes US Agency for International Development (USAID) policy with regard to Agency-funded research. It supersedes all previous research and science and technology policy statements. Principles, criteria and objectives described herein apply to all USAID organizational units (e.g. bureaus, centers, missions and other field-based units). Link to material: http://pdf.usaid.gov/pdf_docs/Pdacg263.pdf Category: General Articles" current
- 03:5403:54, 12 May 2026 diff hist +1,965 N USA Green Jobs and Green New Deal Manufacturing Jobs Created page with "by: '''Roger H. Bezdek''' '''Abstract''' In the USA and other nations there is intense interest in the Green New Deal (GND) and its jobs implications. However, there has not be a comprehensive analysis of the potential jobs impacts of the GND. This paper remedies this deficiency and provides estimates of the jobs likely to be created by the GND, including jobs in the manufacturing sector and specific occupational jobs. We first estimate the current size of the environm..." current
- 03:5303:53, 12 May 2026 diff hist +1,201 N Unicriterion Model: A Qualitative Decision Making Method That Promotes Ethics Created page with "by: '''Fernando Lobo Pimentel''' '''Abstract''' Management decision making methods frequently adopt quantitative models of several criteria that bypass the question of why some criteria are considered more important than others, which makes more difficult the task of delivering a transparent view of preference structure priorities that might promote ethics and learning and serve as a basis for future decisions. To tackle this particular shortcoming of usual methods, an..." current
- 03:5203:52, 12 May 2026 diff hist +656 N The Wisdom of OR Created page with "by: '''Subhash Datta''' '''INTRODUCTION''' Operational Research(OR)can be defined as a scientific method for problem solving. The methodologies and principles of OR have been applied to the problems of agriculture, food production, health, education, infrastructure and other related fields in the developed economies. Such applications in the case of developing economies have been scarce.OR has a major role in solving the complex problems of inclusive growth and sustain..." current
- 03:5103:51, 12 May 2026 diff hist +884 N The Role of the Public Sector in Introducing Operations Research/Management Science within Developing Countries Created page with "This article examines the role the public sector has played in introducing operations research/ management science (OR/MS) in developing countries. To this end, some of the difficulties in applying OR/MS within the environment of a developing country in general, and within their public sector in particular, are briefly discussed, and the first applications of OR/MS in some such countries are reviewed. In spite of the fact that the application of OR/MS in the public secto..." current
- 03:4603:46, 12 May 2026 diff hist +31 The Communication Initiative Network - convening the communication and media development, social and behaviour change community No edit summary current
- 03:4603:46, 12 May 2026 diff hist +1,255 N The Anticipative Concept in Warehouse Optimization using Simulation in an Uncertain Environment Created page with "By '''Davorin Kofjacˇ, Miroljub Kljajic´, Valter Rejec''' '''Abstract''' The modern business environment is highly unpredictable. An anticipation approach in a real case study is presented to cope with such instability and minimize the total inventory cost without stock-outs occurring and inventory capacity being exceeded. The antici- pation concept is performed using simulation models supported by inventory control algorithms on a selected sample of representative i..." current