Adiel Teixeira de Almeida's research while affiliated with Federal University of Pernambuco and other places
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Publications (279)
Slow Tourism is recognized as a driver able to enhance sustainable development in fragile areas characterized by the distance from centers offering essential services, low level of accessibility and affected by depopulation. In this context it is strategic to adopt robust methodologies able to invert this trend and to answer in an effective way to...
The rise of Industry 4.0 tools transforms the way production plants are planned, controlled, and monitored, allowing organizations to achieve greater flexibility, efficiency, and cost reduction. This way, the use of emerging technologies provides a new look at the industrial sector, particularly concerning sustainability issues in a society that su...
This work aims to address a problem of attracting companies for direct investments in the state of Pernambuco, Brazil, with the purpose to aid the Economic Development Agency of Pernambuco (ADEPE) to rank the potential investors. Considering different points of view of multiple stakeholders of ADEPE, the Value-Focused Thinking (VFT) and FITradeoff...
Several behavioral studies have been performed related to MCDM/A (Multi-Criteria Decision Making/Aiding) methods, although not many of them aim directly to modulate (transform) those methods. Some of the studies intended to modulate methods provide suggestions to improve the FITradeoff decision process and the design of its Decision Support System...
In exploring alternative and more sustainable sources, hydrogen has played a dominant role as an energy vector and is suitable for reducing carbon emissions. However, given the properties of hydrogen and existing transportation challenges for this substance, studies that involve assessing risk when transporting hydrogen still need attention. Theref...
This paper presents a broad overview of main contributions related to the FITradeoff (Flexible and Interactive Tradeoff) method. FITradeoff is a multicriteria method developed within the scope of the Multiattribute Value Theory (MAVT), considering partial information from the decision maker (DM) in the preference modelling process. Over the last fe...
Since most of the studies about outsourcing are focused on mathematical models, this paper seeks to support from theoretical bases the use of partial information to ease the decision-making process; the practical contribution is to apply the FITradeoff method for solving a multicriteria problem of an agricultural research company that seeks to deci...
The COVID-19 pandemic has brought health systems to the brink of collapse in several regions around the world, as the demand for health care has outstripped the capacity of their services, especially regarding intensive care. In this context, health system managers have faced a difficult question: who should be admitted to an intensive care unit (I...
Multi‐criteria methods and systems have been developed over many years to support decision‐making with a process of eliciting preferences. The emphasis has been on those that incorporate compensatory rationality, the characteristics of which make the process more complex. Neuroscience has offered the opportunity to capture aspects of cognition, gen...
The current global scenario of a greater scarcity of resources, uncertainty in several dimensions and problems that seek to reconcile multiple criteria to achieve the best possible results are issues commonly related to problems of selecting a portfolio of projects. This paper presents a new proposal for using the flexible and interactive method, F...
Seeking to keep operations safe in many organizations, including natural gas transmission companies, is a challenging issue. In this regard, a crucial task for the manager of these organizations is to deal adequately with the dilemma of investing in improvements by selecting and combining the sections of a pipeline that are the most critical ones i...
Climate change has triggered industrial accidents, known as NATECH (Natural Hazard Triggering Technological Disasters), drawing the attention of risk management practitioners. In this context, the increasing frequency of intense rain events has posed many dangerous scenarios for industrial systems. In natural gas, pipeline impacts are dependent on...
The aim of this paper is to solve an agricultural technology packages selection problem by considering multiple dimensions which influence a maize producer’s preferences. The decision-making process is aided by a new multicriteria method for eliciting scale constants in additive models: flexible and interactive tradeoff (FITradeoff). This method wo...
Multiple criteria decision-making/aiding (MCDM/A) situations involve one (or more) individual(s) with decision-making power, a set of decision alternatives, and a set of conflicting objectives with respect to which alternatives are evaluated. Building mathematical models for dealing with decision processes based on structured methods, which have be...
Identifying risks ensures that organizations systematically find out where potential losses may occur. A particular
aspect is that risk events should reflect multiple perspectives of losses and be evaluated in different categories
of risk at different levels. In this case, sorting risk events improves perception and helps decide how best to
choo...
The technology can support multi-criteria decision-making processes, allowing managers to identify efficient solutions to complex problems in a structured and rational way. Specially, in time of crises, the use of Decision Support System (DSS) is useful since these situations demand greater accuracy in the decision-making process. Therefore, this s...
Preference evaluation is a key aspect of multi-issue negotiation support, especially when the set of possible alternative offers is large. Approaches based on utility (value) functions have been used to elicit negotiators’ preferences so that they can assess alternatives and concessions. A disadvantage of eliciting preferences is the requirement th...
It has been claimed in the literature that decision-making methods have not been modulated (transformed) by results obtained in behavioral studies as much as has been expected and that further modulation would be an important advancement in decision-making. This paper summarizes the modulation provided by the Flexible and Interactive Tradeoff (FITr...
The use of hydrogen has been shown to be an efficient form of producing energy and meeting society's demands for energy. In this perspective, pipelines are known as the safest and most economical transportation mode for hydrogen. However, accidents in this type of structure lead to multiple consequences of losses such as those related to people, th...
Multiple decision support methods have been developed to support multi-criteria problems, offering a structured approach. One such method is FITradeoff, which is based on tradeoff, and has a strong axiomatic structure. Implemented in a Decision Support System, FITradeoff offers an experience with low cognitive effort and time demanded by the decisi...
Accidents in natural gas pipelines are a significant concern because of the potential catastrophic consequences for humans, the environment, and properties. To tackle this matter, risk-based maintenance approaches are used for decision-making to prioritize appropriate mitigation actions. However, selecting maintenance actions faces other organizati...
This study has been proposed to improve the holistic evaluation in the FITradeoff decision-making process. The study generates recommendations that can support the analyst during the advising process with the decision-maker. A neuroscience tool is applied to conduct a behavioral study. Using an electroencephalogram, the Alpha and Theta activities h...
Strategies for reducing flood risks and adapting urban systems involve estimating parameters and conducting difficult trade-offs among human, financial, and environmental issues, which are usually conflicting with each other. This way, multicriteria models are useful as they can aid risk-based decision-making by dealing with all these aspects simul...
The relevance of multiple criteria decision-making/aiding is reinforced by the prominence of these methods in a wide range of applications. Whether by solving problems with a single decision-maker (DM) or a group of DMs, additive modelling, based on value or utility functions, is the most traditional. However, applying this kind of method raises a...
In pipelines, dealing with the dilemma of investing in a combination of the most critical sections without exceeding resources is a relevant issue. Some studies recommend using additive models with mathematical programming to solve portfolio problems, considering interval scale transformation. However, such a joint approach is inadequate when proba...
The growth of urbanization has challenged governments to incorporate procedures for managing and mitigating risks in their local planning. In practice, climate change and increases in the urban population have led to an increase in the extent and frequency of flooding and the possibility of various forms of damage from flooding in the future. In th...
Reliability, risk, and maintenance (RRM) activities can affect the strategic success of any organization. Therefore, their influence on decision-making processes is important and mostly includes multiple objectives for the decision maker (DM). In order to deal with such a multicriteria decision process, a framework for building decision models in t...
Different approaches to risk management in industrial facilities and of modes of transportation are found in the literature and have been applied in different contexts. This chapter discusses the contributions of sensitivity analysis and risk visualization in models that evaluate multidimensional risks models based on MAUT toward providing more con...
COVID-19 pandemic has put health systems worldwide under pressure. Thus, establish a triage protocol to support the allocation of resources is important to deal with this public health crisis. In this paper, a structured methodology to support the triage of suspected or confirmed COVID-19 patients has been proposed, based on the utilitarian princip...
Fruticulture is one of the most important sectors of Brazilian agribusiness, being a strategic segment for the country’s socio-economic development, with mango having significant participation. One of the most complex problems faced by this sector is the assessment of which variety of mango to grow in new farms, given the long period of time to hav...
The energy systems are composed of several protection systems that have the function of isolating a fault and protect critical components. The necessity of providing maintenance of protection systems for substations and transmission networks is a challenge for maintenance managers because they schedule maintenance actions that have different conseq...
The study demonstrates the flexible functioning of the FITradeoff method that integrates the Holistic Evaluation with the Elicitation by Decomposition. For that purpose, the new features of the FITradeoff method in which integrates the two paradigms of preference modeling have been explored to solve a real multi-criteria decision problem. In this p...
Multidimensional risk assessment for natural gas pipelines has proved to be an efficient approach for companies to evaluate multiple risk perspectives and to determine different mitigation actions. Therefore, making decisions to ensure the system's best performance, taking into account safety issues, is a challenging task. This paper proposes a mul...
The allocation of scarce resources is a complex higher education decision problem, especially when it comes to budget constraints. Therefore, the authors propose a multicriteria web-based decision support system for resource allocation in higher education organizations. To do so, they define an MCDA/M resource allocation model, based on a project p...
The combined effects of global warming and population growth induce policymakers to enhance flood risk management practices in order to reduce substantially the causes of floods and to mitigate their future and multiple impacts simultaneously. This way, this paper puts forward a new multi-attribute and non-stationary decision model for managing flo...
This paper puts forward a new hybrid Grey Additive-Veto Model (GAVM) for selecting suppliers, which optimizes the choice by the decision-maker’s (DM) preference. This study uses a Multi-Criteria Decision Making (MCDM) approach. The model proposed incorporates the uncertainty of real-world decision problems, through the Grey Numbers. Given the DM’s...
This paper discusses the trends for building DSS (Decision Support Systems) for Multicriteria Preference Modeling by using partial information to be obtained from DMs (Decision-makers). Also, it discusses the use of results from behavioral studies, including those that take a Decision Neuroscience approach, in order to modulate changes in the decis...
The evaluation of cities regarding environmental and sustainable development practices should be made by a set of criteria expressing their economic, social, and environmental objectives. A ranking of sustainable cities aims to encourage the continuity of actions that contribute to the reduction of environmental problems and help cities develop sus...
In this paper, a prioritization problem of strategic improvement actions of a Fresh Fish Distribution Company (FFDC) is approached. Improvement actions to be prioritized are defined based on critical success factors derived from the SWOT analysis of the company, conducted by multiple stakeholders of the organization. Four criteria were defined to e...
The FITradeoff method is a Flexible and Interactive method used to solve Multi-Criteria Decision Making/Aiding (MCDM/A) problems, with additive aggregation in the context of Multi-Attribute Value Theory. This study discusses the combination of two perspectives of preference modelling in the FITradeoff method for a supply selection decision problem....
Enhancing safety and maintaining profitable operations in various types of organizations, including in gas transmission and distribution companies, is a challenging task. Multidimensional risk analysis of Natural Gas Pipelines (NGP) has been carried out in decision-making in order to guide the decision-maker (DM) in managing resource allocation and...
This paper focuses on the flexibility feature of the Flexible and Interactive Tradeoff (FITradeoff) multicriteria method for preference modeling. This method is based on the additive aggregation of criteria and using partial (incomplete; imprecise) information to be obtained from a Decision Maker (DM). The flexibility in FITradeoff for preference m...
The flexible and interactive tradeoff (FITradeoff) method is a multi‐criteria decision‐making/aiding (MCDM/A) method in the context of the multi‐attribute value theory. The implementation of the FITradeoff method is supported by a decision support system (DSS), which includes an elicitation procedure for scaling constants with the flexibility of in...
This paper presents a practical case involving a shopping mall location problem in the northeast countryside of Brazil. In this problem, conflicting objectives have been expressed in terms of seven criteria. Then, ten cities of the northeastern countryside have been selected to compose the space of actions. The problem plays a special role since Br...
Benefit-to-cost ratio (BCR) measuring is a useful approach for selecting portfolios of projects when they are evaluated applying multiple and conflicting criteria. A multiattribute value function can be used to measure the benefit of each project, which allows one to evaluate the BCRs, rank projects, and select them according to the available budge...
This paper puts forward a decision model for allocation of intensive care unit (ICU) beds under scarce resources in healthcare systems during the COVID-19 pandemic. The model is built upon a portfolio selection approach under the concepts of the Utility Theory. A binary integer optimization model is developed in order to find the best allocation fo...
Investments in the agricultural sector represented by innovations and new technologies strongly influence the economic growth in developing countries. In this context, purchasing decisions have become more relevant. Multiple-criteria decision-making techniques are well suited for decision-makers (DMs) who are considering the introduction of new tec...
This study aims to demonstrate how the design of a decision support system (DSS) can improve the process of internal resource allocation in Brazil public universities. Currently, there are not any kind of general DSS for such a problem. To do so, the analysis is carried out by identifying the general model from the Brazilian Ministry of Education a...
Multicriteria Decision Making/Aiding (MCDM/A) techniques are usually required to solve practical decision-making problems that consider multiple criteria structured based on a value tree. Structuring criteria based on a hierarchy is common specially in problems in which the number of criteria is high, and therefore MCDM/A techniques should be promp...
The distribution of natural gas has become an operation of great concern because of the hazardous conditions. In these systems, accidents can trigger losses concerning the human, environmental, and financial dimensions. Because of conflicting objectives, multidimensional risk analysis is fundamental to supporting decisions on pipeline operations. H...
The expansion, maintenance, and optimization of pipeline systems that distribute natural gas are all essential to meet commercialization demands for various uses of natural gas. Therefore, these are some of the key-factors for this sector that must be attended in order to stimulate growth in investments and to enhance current activities. However, u...
With the advance coming from studies in the area of decision making, different models have emerged to assist in the interpretation of multicriteria decision problems. One of the most recent improvements in the MCDM/A mathematical models deals with the use of partial information about the preferences of the decision makers at the elicitation process...
This book constitutes the refereed proceedings of the Third International Meeting on Innovation for Systems Information and Decision, INSID 2021, which was held during December 1-3, 2021. The conference was initially planned to take place in Recife, Brazil, but changed to a virtual meeting due to the COVID-19 pandemic.
The 9 full papers presented i...
This paper presents a broader view of the Flexible and Interactive Tradeoff (FITradeoff) multicriteria method and its practical applicability in a problem of prioritization of resources for special operations in Brazilian Federal Police. The FITradeoff method works based on partial information of decision makers (DMs), but keeps the whole axiomatic...
The inevitability of more frequent and more extensive floods, phenomena that display one aspect of the inherent variability of Nature, has been increasingly accepted by managers and policymakers. Climate changes due to global warming add considerable complexity to dealing with flooding, since increases in average temperature alter the patterns and...
NeuroIS approach is used in this research in order to improve the decision-making process and the Decision Support System (DSS), which is a particular kind of information system, for the FITradeoff method. In this research the decision-makers (DMs) behavior is investigated when they are solving Multi-Criteria Decision Making/Aiding problems, consid...
This research is performed using NeuroIS tools to improve the information systems (the Decision Support System) constructed for the FITradeoff method. In this study a neuroscience experiment is constructed with the support of an Eye-Tracking in order to investigate the decision-maker (DMs) behavior when they evaluate Multi-Criteria Decision-Making/...
In this paper, we propose a new method for solving multiple criteria decision-making/aiding (MCDM/A) sorting problems in the context of multi-attribute value theory (MAVT), based on a flexible and interactive elicitation process. It uses partial information to require less information from the decision maker (DM), which is given in the form of pref...
In this paper, a utility-based multicriteria model is proposed to support the physicians to deal with an important medical decision-the screening decision problem-given the squeeze put on resources due to the COVID-19 pandemic. Since the COVID-19 emerged, the number of patients with an acute respiratory failure has increased in the health units. Th...
The Tradeoff Elicitation Procedure is a Multi-Criteria Decision Making/Aiding method which is responsible for eliciting scaling constants and presents a robust axiomatic structure. As to its axiomatic structure, this procedure requires the decision-maker to identify the exact indifference point which induces a large number of inconsistencies in the...
ICDSST 2020 is EWG-DSS’s 6th International Conference, following the five previous successful International Conferences on Decision Support System Technology (ICDSST 2019 in Madeira; ICDSST 2018 in Crete; ICDSST 2017 in Namur; ICDSST 2016 in Plymouth; and ICDSST 2015 in Belgrade) as listed below.
Since 1989 when the EWG-DSS was founded, the societ...
The use of bar graphics and tables to represent a Multi-Criteria Decision Making/Aiding (MCDM/A) problems are investigated in this study since these visualizations present a holist vision for MCDM/A situations. In this context, these visualizations bring flexibility to the decision-making process conducted in the Decision Support System (DSS) devel...
Group decision making (GDM) is a very important process to reach a collective solution with a certain level of consensus. When a collective solution is generated by the aggregation of individual solutions, the group members can feel some disagreements with the collective solution. The GDM process proposed in this paper is a framework that supports...
Flooding can be an unexpected event which causes high impacts on everyone in society. These can include loss of life, injuries, creating homelessness, as well as causing damage to properties, and disrupting commerce and public services. Hence, seeking to reduce disasters caused by flooding is a significant challenge for policymakers, technical prof...
This study uses a multicriteria decision model to solve a problem of energy source selection in order to identify which type of renewable energy is the most viable for Brazilian ports to invest in. This research considers wind energy, photovoltaic energy, and wave energy from a multicriteria perspective. Twenty criteria were defined in a brainstorm...
Scheduling decisions related to due date assignment, order release and priority dispatching affect multiple performance dimensions simultaneously. Previous job-shop studies based on simulation and multiobjective optimization techniques do not explore the goals that a decision-maker (DM) wishes to reach, when assessing compensations between multiple...
The Flexible and Interactive Tradeoff (FITradeoff) method is a multicriteria decision making/aiding (MCDM/A) method that uses partial information about the decision maker’s (DM’s) preferences in order to build a recommendation. This method preserves the strong axiomatic structure of the traditional tradeoff procedure, with an interactive and flexib...
This book constitutes the refereed proceedings of the Second International Meeting on Innovation for Systems Information and Decision meeting, INSID 2020, held in Recife, Brazil, in December 2020.
Due to the COVID-19 pandemic the conference was held virtually.
The 8 papers presented in this volume were carefully reviewed and selected from a total o...
The evaluation of multidimensional risk in natural gas pipelines is a topic of interest due to the possibility of human, environmental, and financial losses occurring. However, managing risks in pipeline systems might be a complex task due to the uncertainty inherent in the parameters of the model, being a factor that managers must take account. Th...
This paper puts forward the use of data visualization in a new method for solving multiple criteria decision-making problems for ranking of alternatives, based on Flexible and Interactive Tradeoff (FITradeoff) elicitation. This approach uses partial information about the decision maker’s preferences, based on a structured process for eliciting scal...
Multi-criteria decision making/aiding problems are very common in everyday life in society. Nevertheless, some difficulties appear when such problems arise and visualization may facilitate this process. Neuroscience deals with the study of the neural system and has had increasing relevance for several areas of knowledge, including multi-criteria de...
While most social choice results pertain to ranking environments where the individuals submit their preference relations (and these only) to the balloting procedure, there are procedures that require a slightly different kind of input from the voters. We discuss two such systems: the majority judgment and the range voting. These are relatively rece...
We continue the discussion on rule choices in dichotomous settings. An argument for the simple majority principle is built by assuming that each ballot configuration is equally likely. In a situation where just three voters are present it turns out that the probability of each voter being on the winning side is maximized when the simple majority ru...
This chapter deals with the concept of manipulation, understood as preference misrepresentation, in the light of the main theoretical results focusing on their practical significance (This chapter is largely based on Nurmi (Transactions on computational collective intelligence XXIII. Springer, Berlin, pp. 149–161, 2016)). Manipulability is a pervas...
The theory of voting often takes the agenda as exogenously given. The deliberative view of democratic decision making focuses on phases of decision process preceding the actual voting, occasionally even replacing the latter with deliberative processes. We discuss the plausibility of presuming that the best argument wins. We also take up issues pert...
What if the decision makers have different degrees of expertise and the aim is to maximize the probability of a correct decision? (The first three sub-sections are largely based on Nurmi, Voting procedures under uncertainty. Springer, Berlin-Heidelberg, pp 49–59, 2002) This possibility has been considered for a long time. We shall describe the main...
We discuss the problem of selecting a decision rule in the simplest possible setting involving dichotomous choice situations. The starting point is individual utility maximization under two types of cost-constraints: one resulting from the collectivity making decisions against the interests of the generic individual and the other associated with re...