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Arruda Filho E.J.M.,University of Amazon | Arruda Filho E.J.M.,FUMEC University | Brito E.P.Z.,Fundacao Getulio Vargas FGV
Telematics and Informatics | Year: 2017

This article analyzes the way in which the convergence of green attributes in multifunctional technological products influences consumers' purchase intentions. Due to the recent growth in convergent products, technology users and consumers must choose among numerous different applications that can be perceived as either utilitarian or hedonic. This article suggests that new products launched on the market include attributes that are connected to sustainability and provide added value to consumers in their process of decision making. The primary question addressed in this article concerns whether an increase or decrease in consumer intention is based on the perception of the product's utility, and the consumer's prior experience and attitude toward green products. A 2 × 2 × 2 experiment was conducted to evaluate utilitarian or hedonic convergence, green attribute integration, and predisposition for (involvement with) green products. We propose that consumer value increases for those consumers with a high perception of green integration connected to a high predisposition for green devices, which increases the utilitarian value of the product or justifies the hedonic purchase of technological equipment. © 2016 Elsevier Ltd. All rights reserved.


Lage G.M.,FUMEC University | Lage G.M.,Federal University of Minas Gerais | Malloy-Diniz L.F.,Federal University of Minas Gerais | Matos L.O.,FUMEC University | And 4 more authors.
PLoS ONE | Year: 2011

Background: Impulsivity has been associated with serotonergic system functions. However, few researchers have investigated the relationship between a polymorphism in the promoter of the serotonin transporter gene (5-HTTLPR) and the different components of impulsivity in a non-clinical population. The aim of this study was to investigate the relationship between a polymorphism in the promoter region of the serotonin transporter gene (5-HTTLPR) and the different components of impulsivity in a non-clinical population. Methodology/Principal Findings: We administered two neuropsychological tests, the Continuous Performance Task and the Iowa Gambling Task, to 127 healthy participants to measure their levels of motor, attentional and non-planning impulsivity. Then, these participants were grouped by genotype and gender, and their scores on impulsivity measures were compared. There were no significant differences between group scores on attentional, motor and non-planning impulsivity. Conclusions/Significance: Our results suggest that 5-HTTLPR genotype is not significantly associated with subsets of impulsive behavior in a non-clinical sample when measured by neuropsychological tests. These findings are discussed in terms of the sensitivity of neuropsychological tests to detect impulsivity in a non-clinical population and the role of gender and race in the relationship between the 5-HTTLPR and impulsivity. © 2011 Lage et al.


Matschullat J.,TU Bergakademie Freiberg | Deschamps E.,FUMEC University
Applied Geochemistry | Year: 2015

A successful piece of applied research will not only influence the related problem perception within the scientific community, but also lead to much better understanding of a complex challenge, including the delivery of solutions. Ideally it may contribute significantly to reducing possible risk situations for people and/or the natural environment. In short, a successful study will have a broader impact beyond the sphere of science. Planning, timing, funding, networking, communication, and interdisciplinarity are identified as key aspects for a successful project and are being examined in their scope and boundary conditions, while not neglecting the particular role of local and regional people and authorities.Defining what makes a successful environmental geochemical study is clearly based upon experience and evidence found, and not upon any particular theoretical concept. Here, experience is drawn from the outcome of many projects and specifically first-hand from the complex ARSENEX project in Minas Gerais, Brazil. Against the backdrop of both perceived and real arsenic contamination of environmental compartments, including local people, all subsequent project steps and proposals were set up using a three-prong approach that sought to a) understand the processes, b) educate and inform the public and all other stakeholders and c) remediate the situation. © 2015 Elsevier Ltd.


The scope of this study is to identify the factors that influence the consumer's decision when buying medicine. Prior to the Generics Act (Lei dos Genéricos), consumers had at their disposal two product purchase options in the private market, namely buying a reference drug and a similar one. Generic drugs are part of a public policy which was intended to broaden access to medication by the general population at more accessible costs, while maintaining the same quality as the reference drug, as ensured by bioequivalence tests from the national health surveillance agency ANVISA. Nevertheless, a question arises as to whether the potential consumer knows the difference between generic, similar and reference drugs, especially when taking into account the decision at the moment of purchase. In order to fulfill the proposed objective, a survey was conducted with 403 residents in Belo Horizonte, Brazil. The data gathered was tabulated and analyzed using factor analysis and crosstab. The results made it possible to infer that there is a strong predisposition among consumers to accept the suggestions of the pharmacists and/or salesman, and a significant portion of the population is confused at the moment of purchase.


Belchior M.,Pontifical Catholic University of Rio de Janeiro | Schwabe D.,Pontifical Catholic University of Rio de Janeiro | Silva Parreiras F.,FUMEC University
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) | Year: 2012

The Role-based Access Control (RBAC) model provides a safe and efficient way to manage access to information of an organization, while reducing the complexity and cost of security administration in large networked applications. However, Web Engineering frameworks that treat access control models as first-class citizens are still lacking so far. In this paper, we integrate the RBAC model in the design method of Semantic Web applications. More specifically, this work presents an extension of the SHDM method (Semantic Hypermedia Design Method), where these access control models were included and seamlessly integrated with the other models of this method. The proposed model allows the specification of semantic access control policies. SHDM is a model-driven approach to design Web applications for the Semantic Web. This extension was implemented in the Synth environment, which is an application development environment that supports designs using SHDM. © 2012 Springer-Verlag.


Figueira Pujol J.C.,Brazilian Nuclear Technology Development Center (CDTN) | Andrade Pinto J.M.,FUMEC University
International Journal of Fatigue | Year: 2011

In this work, a novel approach to fatigue life prediction under step-stress conditions is introduced, where the cumulative distribution function for the failure of components was implemented by means of a neural network. The model was fit to experimental data on the fatigue life of steel under step-stress conditions. For comparison, a standard approach based on the lognormal distribution function was also implemented and fit to the same experimental data. Both models were optimized by evolutionary computation, using a maximum likelihood estimator. The Kolmogorov-Smirnov test was applied to compare the results of the new approach to those obtained with the lognormal distribution function. © 2010 Elsevier Inc. All rights reserved.


Pinto J.M.A.,FUMEC University | Pujol J.C.F.,Brazilian Nuclear Technology Development Center (CDTN) | Cimini Jr. C.A.,Federal University of Minas Gerais
Fatigue and Fracture of Engineering Materials and Structures | Year: 2014

This paper introduces a numerical model to estimate fatigue life under step-stress conditions, using the Weibull and lognormal distributions. The maximum likelihood method was used to estimate the free parameters of the distributions. The model was fitted to an experimental data on fatigue life in the specimens of steel SAE 8620, by using evolutionary computation to optimize the likelihood function. Results are reported on the values of the parameters and their confidence interval. Also, a validation of the model is discussed using analysis of residuals. © 2013 Wiley Publishing Ltd.


Groner G.,University of Koblenz-Landau | Boskovic M.,Research Studios Austria | Parreiras F.S.,FUMEC University | Gasevic D.,Athabasca University
Information Systems | Year: 2013

Process modeling is an expensive task that needs to encompass requirements of different stakeholders, assure compliance with different standards, and enable the flexible adaptivity to newly emerging requirements in today's dynamic global market. Identifying reusability of process models is a promising direction towards reducing the costs of process modeling. Recent research has offered several solutions. Such solutions promote effective and formally sound methods for variability modeling and configuration management. However, ensuring behavioral validity of reused process models with respect to the original process models (often referred to as reference process models) is still an open research challenge. To address this challenge, in this paper, we propose the notion of business process families by building upon the well-known software engineering discipline-software product line engineering. Business process families comprise (i) a variability modeling perspective, (ii) a process model template (or reference model), and (iii) mappings between (i) and (ii). For business process families, we propose a correct validation algorithm ensuring that each member of a business process family adheres to the core intended behavior that is specified in the process model template. The proposed validation approach is based on the use of Description Logics, variability is represented by using the well-known Feature Models and behavior of process models is considered in terms of control flow patterns. The paper also reports on the experience gained in two external trial cases and results obtained by measuring the tractability of the implementation of the proposed validation approach. © 2013 Elsevier Ltd. All rights reserved.


Fernandez A.P.-D.,FUMEC University
International Journal for Housing Science and Its Applications | Year: 2014

Within the main strategies of the Modern Movement, a thing that insistently appears is the so-called 'planning in section': housing rooms enclosed in vertically-displaced story buildings. Resorting to Wells Coates' words, the traditional flat apartment has evolved into other models, with distinct single-story not flat solutions. Such strategy brought multiple advantages, from higher space efficiency, by reducing the collective flow of people, to the minimization of noise level transmission from between adjacent rooms. The most classic model is likely that of Unité d'Habitation de Marseille (1947), by Le Corbusier, but before and after that, several models were built, a lot of them in America and Latin America, boasting geometries even more intricate and complex. It is not hard to find models that, when observing their section, denote high complexity. Inside, the rooms often appear displaced in multiple levels, with variations of one height, one-and-a-half height, double height ceiling, of several duplex, triplex floors, etc. Sometimes, words lack to name the large number of types of apartments that may be hidden behind such homogeneous image. This seems to have a certain parallelism to what is happening today. If, throughout the Modern Movement, the façades were built as perfect prisms, now it seems that there is some insistency in getting away from this concept by exposing diversity. The current façades often like to show the abundance of 'random compositions' or 'enriching heterogeneity' in a system in which the internal complexity plays an important role as indicator of plurality. Multiplicity and complexity proudly boast themselves and are also composition resources. Copyright © 2014 IAHS.


Pinto V.A.,FUMEC University | Parreiras F.S.,FUMEC University
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) | Year: 2014

Over the past years we have witnessed the Web becoming an established channel for learning. Nowadays, hundreds of repositories are freely available on the Web aiming at sharing and reusing learning objects, but lacking in interoperability. In this paper, we present a comprehensive literature review on the state-of-the-art in the research field of Linked Enterprise Data. More precisely, this Systematic Literature Review intends to answer the following research question: What are the applications of Linked Data for Corporate Environments? Studies point out that there is a pattern regarding the frameworks used for implementing Semantic Web in enterprises. This pattern enables interlinking of both internal and external data sources. © Springer International Publishing Switzerland 2014.

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