The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Water supply management in urban areas is not simple because it involves several aspects that a decision-maker needs to address simultaneously. Due to their high complexity, problem structuring methods are adequate to provide a better understanding and to guide the decision-maker towards more assertive decisions. For this purpose, this work proposes the Value-Focused Thinking (VFT), an approach that...
In water companies, decisions have to be made in order to guarantee the production workflow and supply the customers. Regarding water scarcity problems they have characteristics such as: they are complex situations and involve many participants of all society. Deciding how to manage the distribution of water in scarcity periods is by far a great challenge to managers in water companies. This study...
In group decision problems, assign weights to decision-makers can be an arduous task because many want not to commit to subsequent judgments. This paper presents a problem about maintenance regarding wells for water distribution and the consequent lack of water. There is three decision-makers, one of them represents the preferences of the population and the others are water company employees, all...
Bad water resource management can increase the amount of problems caused by the scarcity. Situations involving water resources generally have many stakeholders who might not understand the complex situation and the decision made on it has outcomes and effect on people that will only be seen over time. Using soft Operational Research as the Problem Structuring Method we can structure a problem and...
With the growth of competition between organizations, the need for efficient processes has become critical. Thus, the performance of supply chains has a direct impact on the profitability of organizations. The picture is no different for the retail industry. Among the activities of the supply chain, the role of supplier selection stands out. During selection, the need could arise for stakeholders...
In this paper, a model based on the Ordered Weighted Disagreement (OWDg) to aid workgroups to make decisions is presented. This model proposes a framework including some weight vectors and a measure to evaluate the compensatory effect among the opinions of decision makers. Therefore, it is possible to obtain more information about the decision process. Finally, a case study based on a logistics problem...
The expansion of the capacity of public water supply systems is necessary in the context of urban growth and increasing demand. This expansion planning is a complex task, especially because it involves different stakeholders. When stakeholders participate actively in the planning process, it becomes a problem of group decision and the aggregation of individual preferences becomes a challenge. This...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.