User contributions for Dcadmin

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
03:4303:43, 12 May 2026 diff hist +35,009 N Springer Textbooks to Download Part 4 Created page with "<html> <table class="wikitable"> <tr> <th> S. No. </th> <th> Book Title </th> <th> Author </th> <th> Edition </th> <th> Open URL </th></tr> <tr> <td> 307 </td> <td> Energy and the Wealth of Nations </td> <td> Charles A.S. Hall, Kent Klitgaard </td> <td> 2nd ed. 2018 </td> <td> <a rel="nofollow" class="external free" href="http://link.springer.com/openurl?genre=book&isbn=978-3-319-66219-0">http://link.springer.com/openurl?genre=book&isbn=978-3-319-66219-0</a> </..." current
03:4203:42, 12 May 2026 diff hist +34,676 N Springer Textbooks to Download Part 3 Created page with "<html> <table class="wikitable"> <tr> <th> S. No. </th> <th> Book Title </th> <th> Author </th> <th> Edition </th> <th> Open URL </th></tr> <tr> <td> 205 </td> <td> Air Pollution and Greenhouse Gases </td> <td> Zhongchao Tan </td> <td> 2014 </td> <td> <a rel="nofollow" class="external free" href="http://link.springer.com/openurl?genre=book&isbn=978-981-287-212-8">http://link.springer.com/openurl?genre=book&isbn=978-981-287-212-8</a> </td></tr> <tr> <td> 206 </t..." current
03:4003:40, 12 May 2026 diff hist +34,171 N Springer Textbooks to Download Part 2 Created page with "<html> <table class="wikitable"> <tr> <th> S. No. </th> <th> Book Title </th> <th> Author </th> <th> Edition </th> <th> Open URL </th></tr> <tr> <td> 103 </td> <td> International Trade Theory and Policy </td> <td> Giancarlo Gandolfo </td> <td> 2nd ed. 2014 </td> <td> <a rel="nofollow" class="external free" href="http://link.springer.com/openurl?genre=book&isbn=978-3-642-37314-5">http://link.springer.com/openurl?genre=book&isbn=978-3-642-37314-5</a> </td></tr> <t..." current
03:3803:38, 12 May 2026 diff hist +34,067 N Springer Textbooks to Download Part 1 Created page with "<html> <table class="wikitable"> <tr> <th> S. No. </th> <th> Book Title </th> <th> Author </th> <th> Edition </th> <th> Open URL </th></tr> <tr> <td> 1 </td> <td> Fundamentals of Power Electronics </td> <td> Robert W. Erickson, Dragan Maksimovic </td> <td> 2nd ed. 2001 </td> <td> <a rel="nofollow" class="external free" href="https://link.springer.com/book/10.1007%2Fb100747">https://link.springer.com/book/10.1007%2Fb100747</a> </td></tr> <tr> <td> 2 </td> <td> Handbook..." current
03:3503:35, 12 May 2026 diff hist +11,807 Springer has released 65 Machine Learning and Data Books for Free No edit summary current
03:3103:31, 12 May 2026 diff hist +9,276 N Springer has released 65 Machine Learning and Data Books for Free Created page with "Hundreds of books are now free to download Springer has released hundreds of free books on a wide range of topics to the general public. The list, which includes 408 books in total, covers a wide range of scientific and technological topics. In order to save you some time, I have created one list of all the books (65 in number) that are relevant to the data and Machine Learning field. Among the books, you will find those dealing with the mathematical side of the domain..."
03:1903:19, 12 May 2026 diff hist +115 N Regions eZine Created page with "Regional Studies Association link to website: https://regions.regionalstudies.org/ Category: General Articles" current
03:1903:19, 12 May 2026 diff hist +246 N Regional Studies Association (RSA) Blog Created page with "Regions are a key spatial scale for examining the nature and impacts of political, economic, social and environmental change and innovation. link to website: https://www.regionalstudies.org/category_news/rsa-blog/ Category: General Articles" current
03:1803:18, 12 May 2026 diff hist +1,026 N Real Estate and Regional Studies : Virtual Special Issue of Regional Studies Created page with "The purpose of this virtual special issue of Regional Studies is to survey some of the key trading zones between regional studies and real estate research. By drawing together real estate-focused research previously published in the journal, this virtual special issue clarifies the past scope and reflects on the future potential of dialogues between both fields, which to date have broadly come in four different forms: - regional variation, change and dynamics through t..." current
03:1703:17, 12 May 2026 diff hist +270 N Quality Management & Design of Robust Products Created page with "Achievements and Applications of Contemporary Informatics, Mathematics and Physics <html> <head> </head> <iframe width="480" height="360" src="https://www.youtube.com/embed/a2pCfnaxxfc" frameborder="0" allowfullscreen></iframe> </html> Category: General Articles" current
03:1503:15, 12 May 2026 diff hist +1,238 N Quality and Operational Research (QOR) Newsletter August 2020 Created page with "Welcome to the third issue for 2020. First, It is with great pleasure that I introduce our new member of editorial board. Dr. Ernesto Santibanez-Gonzalez. He is serving as Associate Editor of Journal of Cleaner Production (Elsevier). I would like to say my “Big Thank You to “Ernesto” for accepting my invitation to contribute in this and future issues. All short bios of editorial board members have attached to the last pages. This issue includes two articles across..." current
03:1503:15, 12 May 2026 diff hist +768 N Promoting O.R. : The Science of Better Created page with "As operations researchers pursue their careers, a wide variety of industries and specializations remain open to them. In the United States, the Bureau of Labor Statistics reports that major employers of operations researchers include air carriers, computer and data processing services firms, financial institutions, insurance carriers, engineering and management services firms, telecommunication companies, and the Federal Government. The Bureau also writes that job opport..." current
03:1403:14, 12 May 2026 diff hist +2,484 N Present and Future Migration Flows into Europe Created page with "by '''Berat Kjamili''' '''I. Executive Summary''' Migration has been country of registered refugees, with over 3.6 million Syrian refugees. After Turkey opened its border to Greece on 28 February 2020, the government claims that more than 142,000 refugees have arrived at the Turkish-Greek border to enter Europe. In Syria, around 1.5 million people from Idlib are waiting at the Turkish-Syrian border to enter Turkey. Turkey had previously warned about a new refugee influ..." current
03:1203:12, 12 May 2026 diff hist +449 N Precipitation Modeling by Polyhedral RCMARS Created page with "by: '''Gerhard-Wilhelm Weber''' '''Abstract''' '''Content''' - Introduction - Regression - Robustification - General Model for Target-Environment Regulatory Network - MARS - CMARS - Idea of Robust (C)MARS - Robust Optimization - RCMARSunder PolyhedralUncertainty - Conclusionand Outlook on Future Studies Link to material: http://ifors.org/wp-content/uploads/2016/07/EURO-ORD-Workshop-Precipitation.pdf Category: General Articles" current
03:1103:11, 12 May 2026 diff hist +722 N OR for Better Management of Sustainable Development Created page with "At the occasion of EURO XXI 2006 in Iceland (http://www.euro2006.org/), the European Journal of Operational Research together with the Programme Committee of EURO XXI 2006, consisting of Tuula Kinnunen (Chair), Raymond Bisdorff, Jean-Pierre Brans, Ulrike Leopold-Wildburger, Snjolfur Olafsson, Maurice Shutler, Gerhard-Wilhelm Weber, Marino Widmer and Martin Zachariasen, decided to prepare and publish this feature cluster on OR for Better Management of Sustainable Develope..." current
03:1003:10, 12 May 2026 diff hist +596 N Operations Research and its Prospects in Pakistan Created page with "Operations Research has had an increasingly great impact on the management of organizations in the recent years. In fact, with the exception of advent of electronic computer, the extent of this impact seems to be unrivalled by that of any other recent development. However, all the development in this field has gone almost unnoticed in most developing countries including Pakistan. This article is an effort to introduce Mathematics community in the country to the subject a..." current
03:0903:09, 12 May 2026 diff hist +1,760 N Operations Research - Contemporary Role in Managerial Decision Making Created page with "As the global environment becomes fiercely competitive, Operations Research has gained significance in applications like world-class Manufacturing systems(WCM), Lean production, Six-sigma quality management, Benchmarking, Just-in-time (JIT) inventory techniques. The growth of global markets and the resulting increase in competition have highlighted the need for Operation Research. To survive and lead the today‟s highly competitive and demand driven market, pressure is..." current
03:0803:08, 12 May 2026 diff hist +232 N Open Access Journal Regional Studies Regional Science Created page with "Publishes Open Access research on regional issues in geography, governance and policy as well as urbanization and economic development. link to website: https://www.tandfonline.com/toc/rsrs20/current Category: General Articles" current
03:0703:07, 12 May 2026 diff hist +1,932 N Open Access Book on African Economic Development Created page with "by: '''Christopher Cramer, John Sender and Arkebe Oqubay''' '''Introduction''' '''1.1 The Air that Policy Officials Breathe''' Every day policy officials are tasked with coming up with solutions to complex puzzles. They must do this in a context of (often) inadequate staffing levels and unreliable data; multiple claims on the resources at their disposal; and having to think strategically while under intense pressure to address short-term issues. At the same time, they..." current
03:0603:06, 12 May 2026 diff hist +640 N Noncoercive Evolution Inclusions for Sk Type Operators Created page with "by: '''M. Z. ZGUROVSKY, P. O. KASYANOV and J. VALERO''' '''Introduction''' One of the most effective approaches to investigate nonlinear problems, represented by partial differential equations, inclusions and inequalities with boundary values, consists of their reduction into differential-operator inclusions in infinite-dimensional spaces governed by nonlinear operators. In order to study these objects, the modern methods of nonlinear analysis have been used [Duvaut &..." current
03:0403:04, 12 May 2026 diff hist +270 N Modelling in a Dynamic World - for Economics, Finance, Science and Engineering Created page with "Achievements and Applications of Contemporary Informatics, Mathematics and Physics <html> <head> </head> <iframe width="480" height="360" src="https://www.youtube.com/embed/aKOb_YK_ido" frameborder="0" allowfullscreen></iframe> </html> Category: General Articles" current
03:0303:03, 12 May 2026 diff hist +31 Mentoring Returnees: Study on Reintegration Outcomes Through a Comparative Lens --- by Samuel Hall No edit summary current
03:0103:01, 12 May 2026 diff hist +1,262 N International Women’s Day 2021 : Virtual Special Issue of Spatial Economic Analysis Created page with "This virtual special issue marks International Women’s Day 2021 by drawing together fifteen papers published in Spatial Economic Analysis over the past decade by female authors and co-authors. It highlights the wide range of novel research by female authors and all-female research teams, and the growth of female-authored studies over time, as well as the geographical and career-stage diversity of female authors within the field. The papers include several agenda-sett..." current
02:5802:58, 12 May 2026 diff hist +8,464 N Free and Open Source Software for Geospatial (FOSS4G) - Oceania 2018 Presentation Videos Created page with "FOSS4G SotM Oceania is all about the community. It's a chance for creators and users, community mappers, academics, business, and government to gather and share their knowledge and stories in a fun and welcoming environment. We'll cover a fascinating range of topics over four days, including a full day of workshops, a 2 day conference, a community day, and social events. With a strong emphasis on hands-on learning and collaboration, we'll start off with a day of technic..." current
02:0602:06, 12 May 2026 diff hist +405 N FOSS4G UK Online 2020 Slides and Recordings now available from Open Source Geospatial Foundation’s UK Chapter OSGeo Created page with "This is the listing of sessions (in alpha order by lead presenter) for FOSS4G UK Online 2020. The schedule is here. Times and rooms are listed against each presenter (for lightning talks, the time indicated is the session, not individual presenter): 🐦 Nightingale 🛰️ Sentinel ⛵ Mercator link to website: https://uk.osgeo.org/foss4gukonline2020/sessions.html Category: General Articles" current
02:0602:06, 12 May 2026 diff hist +31 Effective Information Media to Support Integration Efforts Experiences from Europe No edit summary current
02:0502:05, 12 May 2026 diff hist +1,218 N Dynamic Evolution of Economically Preferred Facilities Created page with "By '''Dorit S. Hochbaum''' '''Abstract''' In a sustained development scenario, it is often the case that an investment is to be made over time in facilities that generate benefits. The benefits result from joint synergies between the facilities expressed as positive utilities specific to some subsets of facilities. As incre- mental budgets to finance fixed facility costs become available over time, additional facilities can be opened. The question is which facil- ities..." current
02:0402:04, 12 May 2026 diff hist +1,132 N Double-ended nearest and loneliest neighbour–a nearest neighbour heuristic variation for the travelling salesman problem Created page with "by: '''Fernando Guilherme Silvano Lobo Pimentel''' '''Abstract''' This paper presents a new tour construction heuristic for the travelling salesman problem that introduces the concept of loneliness of a city computed from the average distance of that city to all others and combines it with ideas from other nearest neighbour heuristics. Having the same time complexity of the faster nearest neighbour heuristics, the new method clearly leads to better tours, outperforming..." current
02:0102:01, 12 May 2026 diff hist +1,260 N Developing Regional Capacity in Operations Research and Economic Evaluation in South Asia Created page with "The project contributed significantly to the capacity building of regional professionals in planning, implementing, and monitoring reproductive health programs. During 2001-2005, 157 professionals from 17 countries received training in various aspects of reproductive health in nine workshops, including operations research, economic evaluation, qualitative research methods, proposal writing, and process documentation and enhancing the utilization of research findings in r..." current
02:0002:00, 12 May 2026 diff hist +1,069 N Conflict Theory, Complexity and Systems Approach Created page with "by '''Giorgio Gallo''' '''Abstract''' Since the end of the Cold War we are witnessing the emergence of new types of conflicts. Conflicts appear to be more and more complex, and still too often they are approached in a simplistic way, using a linear type of reasoning. Complexity is disregarded, and the need for systemic thinking is underestimated, not rarely leading to disastrous results. Feedback are most often ignored, but, most important, the complex dynamics which m..." current
01:5901:59, 12 May 2026 diff hist +1,189 N Classification and Generation of Digital Marble Art: OR and Deep Learning Created page with "by: '''Gerhard Wilhelm Weber, Meltem Atay & Suryati Sitepu''' '''OR and Art''' - Generative adversarial networks (GANs) are types of neural networks which can be used to generate new data. - they can be used to generate art pieces. - We developed a new GAN framework specific to generate digital abstract art, - we are introducing an open digital dataset for further research and collaboration opportunities. '''Novelty''' - This idea is based on merging certain Suppo..." current
01:5801:58, 12 May 2026 diff hist +614 N Central and Eastern Europe : Virtual Special Issue of Regional Studies Association Articles Created page with "This virtual special issue marks the 2022 RSA Central and Eastern Europe (CEE) Programme by drawing together papers published across the RSA's journals Regional Studies, Spatial Economic Analysis, Territory, Politics, Governance, and Regional Studies, Regional Science. It highlights the wide range of novel research by RSA authors, and the growth of central and eastern Europe as a key region of present and future focus. link to website: https://think.taylorandfrancis.co..." current
01:5701:57, 12 May 2026 diff hist +820 N Celebrating 1000 Open Access Books Created page with "In May 2020 we published our 1000th open access book. It's a proud moment for us, especially as open access books help to achieve our mission of advancing discovery through open research. "Open access increases the visibility, readership, and impact of scholarly books, and we are delighted to be at the forefront in helping more authors benefit from this, given the important role books play in scholarly communication." link to website: https://www.springernature.com/gp/..." current
01:5601:56, 12 May 2026 diff hist +1,539 N Bibliometric Overview of Operations Research/Management Science Research In Asia Created page with "This paper evaluates the distribution of papers published by Asian authors in Operations Research and Management Science (OR/MS) journals from 1968 to 2006. The impact of OR/MS research in Asia is compared with that of the United States and the World, and research trends are highlighted through an analysis of keywords. From 1968 to 2006, 89,293 papers were published in 60 OR/MS journals. Of these, 41.4% came from USA and 16.6% came from seven Asian countries/regions. The..." current
01:5501:55, 12 May 2026 diff hist +1,054 N Analyzing the sustainability of harvesting behavior and the relationship to personality traits in a simulated Lotka-Volterra biotope Created page with "By '''Christian Grabner, Heiko Hahn, Ulrike Leopold-Wildburger, Stefan Pickl''' '''Abstract''' For the analysis presented in this paper we use experiments to study human behavior in a simulation environment based on a simple Lotka–Volterra predator–prey ecology. The aim is to study the influence of different harvesting strategies and of certain personality traits derived from the Hamburg Personality Inventory (HPI) [Andresen, B., 2002. HPI – Hamburger Personlichk..." current
01:5201:52, 12 May 2026 diff hist +690 N Advances in Mechanics and Mathematics Volume 25 Created page with "By: '''David Y. Gao, Ray W. Ogden and Romesh C. Batra''' '''Introduction''' At an analysis and control of different geophysical and socio-economical processes it is often appears such problem: at a mathematical modelling of effects related to friction and viscocity, quantum effects, a description of different nature waves the existing "gap" between rather high degree of mathematical theory of analysis and control for non-linear processes and fields and practice of its..." current
01:5101:51, 12 May 2026 diff hist +500 N Advances in Mechanics and Mathematics Created page with "'''Volume 24''' By: '''David Y. Gao, Ray W. Ogden and Romesh C. Batra''' '''Introduction''' System analysis is a unique ground where almost all mathematical disciplines are closely related and widely applied. Besides, while solving difficult system problems, necessity to create new mathematical directions which in their turn simulate the development of classical chapters of mathematics arises. Link to material: http://ifors.org/wp-content/uploads/2015/02/5.pdf Cat..." current
01:5001:50, 12 May 2026 diff hist +706 N A Review of R(C)MARS and (C)MARS with a Comparison Study Created page with "by: '''Ayşe Ozmen and Gerhard-Wilhelm Weber''' '''Content''' - Introduction - Regression - Robustification - MARS - CMARS - Idea of Robust (C)MARS - Robust Optimization - RCMARS under Polyhedral Uncertainty - A Real-World Application by RCMARS - Conclusion and Outlook on Future Studies '''Introduction''' learning from data has become very important in every field of science and technology, e.g., in • financial sector, • quality improvement in manufact..." current
01:4801:48, 12 May 2026 diff hist +1,044 N A problem-structuring method for complex societal decisions: Its philosophical and psychological dimensions Created page with "by '''Donald Hector, Carleton Christensen, Jim Petrie''' '''Abstract''' A novel approach to problem-structuring for decisions relating to the sustainable development of large-scale infrastructure is pre- sented. The philosophical (a critical realist ontology and epistemology), psychological (implications of behavioural and cognitive psy- chology), and systems dimensions (dynamics and emergent properties) of the problem are discussed, and form the basis of the approach...." current
01:4601:46, 12 May 2026 diff hist +629 N A Multiobjective Model for Planning The Exports of Developing Countries Created page with "This study presents a linear goal-programming model for planning exports in less developed countries. The model examines some economic factors such as: industrial structure, labor force, value added in exports, capital efficiency, imported inputs for exports, and investment planning, among others, that could affect exports. The application of the model is demonstrated using data from the Indian economy. The model presented in this study, is hoped, will have general appea..." current
01:4501:45, 12 May 2026 diff hist +794 N A Mathematical Introduction to SVMs with Self-Concordant Kernel Created page with "by: '''Prof. Dr. Florian Jarre''' The following (public domain) MATLAB-implementation of a solver for support vector machines (SVM), https://github.com/florianjarre/SVM-Test-Set, has been prepared with the aim to solve real-world problems from all sectors of the economy and areas of life, not least in the "developing countries". The implementation is described in a paper that can be found on archive: https://arxiv.org/pdf/2503.10482 and builds on the (open source) tu..." current

12 May 2026