GEPSUS: Simulation-Based DecisionMaking System for Air Pollution Accidents
Radovan Stojanović, Andrej Škraba, Simon Berkowicz, Raffaele de Amicis, Doron Elhanani, Giuseppe Conti, Davorin Kofjač, Marko Dragović, Nedjeljko Lekić, Gojko Nikolić
System Dynamics Model for Policy Scenarios of Organic Farming Development
Črtomir Rozman, Karmen Pažek, Jernej Prišenik, Andrej Škraba, Miroljub Kljajić
The Need for Simulation in Complex Industrial Systems
Khalid Aboura, Miroljub Kljajić, Ali Eskandarian
Contribution to the Collaborative Work in Virtual Organization – a Case Study
Fernando A. Crespo, Chandra Sekhar Pedamallu, Linet Özdamar
Comparative Analysis of Collaborative and Simulation Based Learning in the Management Environment
Mirjana Kljajić Borštnar
Application of Fuzzy AHP Approach to Selection of Organizational Structure with Consideration to Contextual Dimensions
Alireza Aslani, Feryal Aslani
Editorial
Uvodnik
Miroljub Kljajić, Gerhard-Wilhelm Weber
In Memoriam
In Memoriam – Professor Milton A. Jenkins
Jože Gričar
GEPSUS: Simulation-Based DecisionMaking System for Air Pollution Accidents
Radovan Stojanović
University of Montenegro, Faculty of Electrical Engineering, George Washington st. bb., 81000 Podgorica, Montenegro
Andrej Škraba
University of Maribor, Cybernetics and Decision Support Systems Laboratory, Faculty of Organizational Sciences, Kidričeva 55a, 4000 Kranj
Simon Berkowicz
Hebrew University of Jerusalem, Arid Ecosystems Research Center, Edmond J. Safra Campus – Givat Ram, Jerusalem 91904
Raffaele de Amicis
Fondazione GraphiTech, Via alla Cascata 56/C, 38123 Trento, Italy
Doron Elhanani
EMESCO, 11, Ha-Avoda St. POB 142, Rosh Ha-Ayin, 48017
Giuseppe Conti
Fondazione GraphiTech, Via alla Cascata 56/C, 38123 Trento
Davorin Kofjač
University of Maribor, Cybernetics and Decision Support Systems Laboratory, Faculty of Organizational Sciences
Marko Dragović
University of Montenegro, Faculty of Electrical Engineering, George Washington st. bb., 81000 Podgorica, Montenegro
Nedjeljko Lekić
University of Montenegro, Faculty of Electrical Engineering, George Washington st. bb., 81000 Podgorica, Montenegro
Gojko Nikolić
University of Montenegro, Faculty of Philosophy, Study Programme for Geography, Danilo Bojovic 3, 81400 Nikšić, Montenegro
Abstract
Background/Purpose: We describe a GIS-based real-time system for emergency response and management of air pollution accidents in an urban area. The system architecture emphasises the integration of meteorological, chemical and GIS data, dispersion modeling, decision-making and geo-spatial visualization. The threat zones, unsafe areas and safe traffic routes are obtained using an improved Gaussian plume model with a decision-making module and then exported to the Google Earth browser via “kml” file format. Several simulation scenarios were conducted and verified for notable industrial sites in Montenegro using recorded meteorological data. The results demonstrate that emergency response authorities can use the proposed methodology and system as a cost effective and accurate support tool in case of industrial or deliberate air pollution incidents.
System Dynamics Model for Policy Scenarios of Organic Farming Development
Črtomir Rozman
University of Maribor, Faculty of Agriculture and Life Sciences, Pivola 10, 2311 Hoče, Slovenia
Karmen Pažek
University of Maribor, Faculty of Agriculture and Life Sciences, Pivola 10, 2311 Hoče, Slovenia
Jernej Prišenik
University of Maribor, Faculty of Agriculture and Life Sciences, Pivola 10, 2311 Hoče, Slovenia
Andrej Škraba
University of Maribor, Faculty of Organizational Sciences, Kidričeva cesta 55a, 4000 Kranj, Slovenia
Miroljub Kljajić
University of Maribor, Faculty of Organizational Sciences, Kidričeva cesta 55a, 4000 Kranj
Abstract
Background/Purpose: This paper presents the system dynamics model of organic farming development in order to support decision making. The model seeks answers to strategic questions related to the level of organically utilized area, levels of production and crop selection in a long-term dynamic context. The model will be used for simulation of different policy scenarios for organic farming and their impact on economic and environmental parameters of organic production at an aggregate level. Using the model, several policy scenarios were performed.
The Need for Simulation in Complex Industrial Systems
Khalid Aboura
University of Technology Sydney, School of Civil and Environmental Engineering,15 Broadway, Ultimo, NSW 2007, Australia
Miroljub Kljajić
University of Maribor, Faculty of Organizational Sciences, Kidričeva 55a, Kranj, Slovenia
Ali Eskandarian
The George Washington University, Department of Physics, 805 21st Street, NW, Suite 301, Washington, DC 20052, U.S.A
Abstract
Background/Purpose: We discuss the concept of simulation and its application in the resolution of problems in complex industrial systems. Most problems of serious scale, be it an inventory problem, a production and distribution problem, a management of resources or process improvement, all real world problems require a mix of generic, data algorithmic and Ad-hoc solutions making the best of available information. We describe two projects in which analytical solutions were applied or contemplated. The first case study uses linear programming in the optimal allocation of advertising resources by a major internet service provider. The second study, in a series of projects, analyses options for the expansion of the production and distribution network of mining products, as part of a sensitive strategic business review. Using the examples, we make the case for the need of simulation in complex industrial problems where analytical solutions may be attempted but where the size and complexity of the problem forces a Monte Carlo approach.
Contribution to the Collaborative Work in Virtual Organization – a Case Study
Fernando A. Crespo
Universidad de Valparaíso, Brigadier de la Cruz 1050, Santiago, Chile
Chandra Sekhar Pedamallu
Department of Medical Oncology, Dana-Farber Cancer Institute, 450 Brookline Avenue, 02215 Boston, MA, USA; The Broad Institute of MIT and Harvard, Cambridge, MA, USA
Linet Özdamar
Yeditepe University, Industrial and Systems Engineering, 26 Ağustos Yerleşimi Kayışdağı Cad., 34755 Kayışdağı, Istanbul, Turkey
Abstract
Background/Purpose: A virtual organization is a community of people who interact together socially on a technical platform. These kinds of communities are built on a common interest, a common problem or a common task of its members that is pursued on the basis of implicit and explicit codes of behavior. The six dimensions that are normally used to analyze virtual organizations are the use of technologies, sense of belonging, success factors, level of trust from members, virtual community management, and contents of the virtual community. The virtual organizations defined in the literature are not defined separately for non-profit research virtual organization. Here we present analysis of non-profit research virtual organization, European Working Group on Operational Research for Development (EGW ORD). This paper provides a summary of achievements and challenges faced in building a virtual organization. This kind of analysis plays a vital role in establishing new non-profit virtual organizations to serve the research community in their field of interest. It is also helpful to the group in broadening its presence and involving more researchers, practitioners and students in the field of operational research.
Comparative Analysis of Collaborative and Simulation Based Learning in the Management Environment
Mirjana Kljajić Borštnar
University of Maribor, Faculty of Organizational Sciences, Kidričeva 55a, 4000 Kranj, Slovenia
Abstract
Background/Purpose: Purpose of the study is to compare two different approaches to the collaborative problem solving one in a highly controlled laboratory experiment: Optimisation of business politics using business simulator at different experimental condition which reflect different feedback information structure and one in a collaborative environment of the social media, characterised by non-structured, rule-free and even chaotic feedback information. Comparative analyses of participant’s opinion who participate in experiments have been considered in order to find common characteristics relevant for group/collaborative problem solving. Based on these findings a general explanatory causal loop model of collaborative learning during problem solving was built.
Application of Fuzzy AHP Approach to Selection of Organizational Structure with Consideration to Contextual Dimensions
Alireza Aslani
University of Vaasa, Faculty of Technology, Industrial Management Department, 65101, Vaasa, Finland and Carnegie Mellon University, Department of Engineering and Public Policy, 5000 Forbes Ave, Pittsburg, PA 15213, USA
Feryal Aslani
University of Tehran, Faculty of Management, Information Technology Management Department, Tehran, Iran
Abstract
Background/Purpose: The literature of organizational structure design is relatively rich along with conceptual and complex patterns. This complexity arising from the number of elements and numerous relations in addition to the nature of variables. Thereby, the lack of operational decision-making models is felt to propose adequate structural designs in practice. In this article, the researchers employ a fuzzy multi attribute decision making model (FMADM) to select the most suitable organizational structure based on expert’s judgments and by deploying contextual dimensions of the organization. Since the organizational changes especially in the structural levels are along with resistances among involved staffs, the implementation of this model is a supportive tool in addition to help the managers to make a qualified decision and change.