Kellyton Brito

Kellyton Brito
Federal Rural University of Pernambuco | UFRPE · Department of Computing

PhD in Computer Science

About

61
Publications
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336
Citations
Introduction
My papers can be freely downloaded at kellyton.com.br

Publications

Publications (61)
Conference Paper
Full-text available
Governments and societies have understood the benefits of transparency and access to information since the 1950s, aiming for greater social participation and even more control over corruption. In Brazil, initiatives such as the Access to Information Act and the Digital Government Act promote transparency. However, the complex language used in secto...
Conference Paper
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The Acolhe project was developed in response to the challenges faced by both the government and civil society in Pernambuco due to climate change, which has led to extreme events and natural disasters. With the support of FACEPE and in collaboration with various entities, especially the Executive Secretariat of Social Assistance of Olinda/PE, the A...
Conference Paper
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A avaliação de políticas públicas é muitas vezes realizada de forma apenas qualitativa, dada a carência de sistemas de informação que deem suporte à tomada de decisão dos avaliadores, seja de órgãos de controle ou da sociedade civil em geral. Nesta linha, este trabalho apresenta o desenvolvimento de um sistema de informação através de cooperação té...
Article
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Studies comparing large-scale assessment data among educational systems have been an important tool for understanding the differences in how education is delivered worldwide. Many of these studies do not go beyond reporting average student scores in a particular educational system. A more unbiased analysis would avoid the simple use of gross perfor...
Article
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How might we define local innovation challenges that are user-centered but also address strategic goals, such as the Sustainable Development Goals (SDGs)? We propose a design process that introduces a relevant contribution to the practices of the Mission-oriented Innovation Policies (MIPs) field as it goes from Grand Societal Challenges (GSCs) to l...
Conference Paper
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As redes sociais contemporâneas, como Facebook, Twitter e Instagram, têm sido fortemente utilizadas nas campanhas políticas. Nas eleições brasileiras de 2022 uma nova plataforma entrou neste cenário, o TikTok, fundado em 2016 mas que já era a quarta rede mais utilizada no país. Neste contexto, este artigo apresenta um estudo que analisou o uso e o...
Conference Paper
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Para que as instituições mantenham-se competitivas é necessário análise, alinhamento, adaptação, monitoramento e avaliação periódica dos processos implantados. Neste contexto, a medição é um fator importante para a melhoria dos processos organizacionais. Porém, muitas instituições consideram a implantação de um plano de medição uma tarefa complexa...
Conference Paper
Understanding, defining, and prioritizing the most important and target challenges to be addressed by the government institutions are historically arduous tasks. Besides, aligning the local perceptions of priority with broader objectives (e.g. Sustainable Development Goals - SDGs) adds a new layer of difficulty to the definition of public innovatio...
Article
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Resumo Como podemos definir os desafios locais de inovação que são centrados no usuário, mas também abordam objetivos estratégicos, como os Objetivos de Desenvolvimento Sustentável (ODS)? Propomos um processo de design que apresenta uma contribuição relevante para as práticas no campo das políticas de inovação orientadas para a missão (em inglês, M...
Article
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This study presents an approach to investigating the main interventions related to gains on performance using a combination of educational data mining (EDM) techniques and traditional theory-driven models. The goal is to overcome the limitation of previous EDM studies that lack of causal reasoning, which is a critical concern for educational specia...
Conference Paper
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A Floresta Amazônica está sendo devastada no maior ritmo dos últimos anos. Em 2020, a Amazônia registrou o maior desmatamento da década. Embora muitos trabalhos abordem o tema de desmatamento, nenhum deles foca em analisar os sentimentos da população brasileira com relação ao tema. Este trabalho apresenta uma análise dos sentimentos dos usuários br...
Article
Contemporary social media (SM) has strongly impacted democratic practices. The success of presidential campaigns is frequently attributed to being highly correlated with the candidates' social media performance, but there is no well-established method to measure this performance. Thus, this study aims to improve the understanding of a politician's...
Chapter
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Machine learning models are widespread in many different fields due to their remarkable performances in many tasks. Some require greater interpretability, which often signifies that it is necessary to understand the mechanism underlying the algorithms. Feature importance is the most common explanation and is essential in data mining, especially in...
Article
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The use of social media (SM) in modern political activities has reshaped how politicians run electoral campaigns. This study aims to improve the understanding of online campaigns and their correlation with electoral results. We focus on the 2018 Brazilian presidential campaign, which is well known for its strong online presence, and analyze how can...
Article
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The way politicians communicate with the electorate and run electoral campaigns was reshaped by the emergence and popularization of contemporary social media (SM), such as Facebook, Twitter, and Instagram social networks (SNs). Due to the inherent capabilities of SM, such as the large amount of available data accessed in real time, a new research s...
Conference Paper
Contemporary social networks, such as Facebook, Twitter, and Instagram, have reshaped the way politicians communicate with the electorate and run electoral campaigns. Scholars and the public have already perceived social media’s strong impact on elections and its possible application to forecasting elections results. Current approaches focus on the...
Article
Social machines (SMs) are the term used to define processes in which the people do the creative work and the machine does the administration. The concept was scarcely studied until 2013, when the series of workshops on SMs was created, and the topic began to receive more attention. However, it is not clear how research has evolved since then. This...
Conference Paper
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The use of social media within modern political activities is a new phenomenon that reshapes election races and the way in which politicians communicate with voters. During the last presidential campaign in Brazil, the elected candidate had almost no time on TV (8 seconds) and very little party support but focused his campaign on social networks. I...
Conference Paper
Brazilian Public Security Departments disclose crime data from their respective states in order to maintain transparency and openness. In fact, the opening of these data not only increases the society's awareness of the problem but also gives to it the opportunity to be more participatory. However, despite the evident benefits and effort to make th...
Conference Paper
Este artigo tem por finalidade apresentar um sistema de mapeamento de crimes violentos letais intencionais no estado de Pernambuco. Dados de crimes são publicados mensalmente no site da Secretaria de Defesa Social do Estado de Pernambuco, porém o grande problema é que da forma que esses dados são apresentados muitas vezes não é possível ter uma com...
Article
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The aim of this paper is to present a taxonomy for security threats on the Web ecosystem. We proposes a classification model based on 21 vectors divided into 8 distinct security threats, making use of levels of abstraction and criteria for discrimination which consider propagation and similarity in vulnerabilities. We also propose to estimate the r...
Article
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This article presents an analysis on the attacks related to the sensitive data breach in the Web ecosystem. The study is based on an Meta-Analysis which identified the significance of 21 years of relevant contributions to the subject. Considering the results we elaborate two contributions: (i) we group attacks according to their behavior and (ii) w...
Article
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The term definition "Smart City" still allows various interpretations, and this causes some difficulty in establishing parameters to measure how smart the cities can be. This paper presents a Maturity Model that uses a set of minimum domains and indicators that aim to encourage cities of different sizes to identify their potential and improve proce...
Conference Paper
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Government initiatives to open data to the public are becoming increasingly popular every day. The vast amount of data made available by government organizations yields interesting opportunities and challenges-both socially and technically. In this paper, we propose a social machine-oriented architecture as a way to extend the power of open data an...
Article
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Open Government Data (OGD) hold great promise for transforming the efficiency and effectiveness of public services through the ease of publishing and access to government public information or through the offer of new kinds of services, such as smart cities services and applications. In this work, we analyze the Brazilian OGD current scenario and t...
Conference Paper
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The use of Government Open Data to deliver services and promote transparency is a current goal of many governments. In this paper, we briefly describe two contest winner applications with focus on these goals, and present a discussion about the difficulties of integrating Government Open Data to develop them.
Conference Paper
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Technological advances and real-time worldwide communications hold great promise for transforming the efficiency and effectiveness of public services through the ease of publishing and access to government public information or through the offer of new kinds of services. In this paper, we describe two initiatives, Rio Inteligente (Smart Rio) and Ci...
Conference Paper
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Government concerns about transparency date from 1957, but current technological advances and real-time worldwide communications hold great promise to transform accountability, transparency, citizen participation and collaboration, in addition to offering better public services, by increasing efficiency and effectiveness and decreasing corruption i...
Conference Paper
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The use of distributed object technology in the web information systems development process has been evidenced as a trend, due to the adoption of mechanisms that laverages the construction of reusable, flexible and scalable applications. However, the use of specifications such as J2EE or Corba has implied in a bigger effort of development, justifie...
Conference Paper
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Content sharing services have become immensel popular on the Web. More than 1 billion people use this kind o services to communicate with friends and exchange all sorts o information. In this new context, privacy guarantees are essential guarantees about the potential release of data to unintended recipients and the use of user data by the service...
Article
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Today new researches create a considerable amount of knowledge and scientific expertise related to health problem. There is a need to constantly update their professional knowledge base the enable them to face the diversity and "adversity" of the health process in the daily routine. Within this wealth of information is almost impossible to less exp...
Conference Paper
Nowadays there is a real need for knowledge management in healthcare field due the explosion of information. Primary Health care is a rich domain in semantic relationships between entities and it often needs expressivity in modelling knowledge. The Brazilian Primary Health care has raised the number of professionals over the last decade, and there...
Conference Paper
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With the evolution of the web and the concepts of web 3.0 as known as programmable web, several issues need to be studied in order to develop, deploy and use this new kind of application in a more effective way, such as communication between systems, unstructured data and non-scalable protocols, among others issues. In this regard, a new concept –...
Article
LUCRÉDIO, Daniel ; BRITO, Kellyton Santos ; ALVARO, Alexandre ; GARCIA, Vinicius Cardoso ; ALMEIDA, Eduardo Santana de ; FORTES, Renata Pontin de Mattos ; MEIRA, Silvio Romero de Lemos . Software Reuse: The Brazilian Industry Scenario. Journal of Systems and Software, v. 81, p. 996-1013, 2008. Abstract. This paper aims at identifying some of the ke...
Article
BRITO, Kellyton Santos ; GARCIA, Vinicius Cardoso ; MEIRA, Silvio Romero de Lemos . Experiences from a Brazilian Bank Reengineering Project. In: European Conference on Software Maintenance and Reengineering (CSMR), 2010, Madrid. Proceedings of the European Conference on Software Maintenance and Reengineering (CSMR), 2010. Abstract. The migration of...
Article
BRITO, Kellyton Santos ; GARCIA, Vinicius Cardoso ; MEIRA, Silvio Romero de Lemos . LIFT Revisited: Enhancing the Understanding of NATURAL/ADABAS Legacy Systems. In: European Conference on Software Maintenance and Reengineering (CSMR), 2010, Madrid. Proceedings of the European Conference on Software Maintenance and Reengineering (CSMR), 2010. Abstr...
Conference Paper
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In recent decades, agile methodologies have contributed in the process of developing software as an efficient way to manage requirements. Game development for geographically distributed teams includes additional elements that also need to be managed properly. This work is an experience report of a game development by geographically distributed team...
Conference Paper
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The migration of legacy mainframe applications to new web technologies is a challenge faced by several organizations. Since 2005, the Pitang and C.E.S.A.R companies are involved in a large migration project for a bank institution, aiming to migrate NATURAL/ADABAS legacy mainframe source code to a web-based platform. In this paper, we briefly descri...
Conference Paper
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LIFT (Legacy InFormation retrieval Tool) is a tool for reverse engineering and understanding of legacy systems, in particular NATURAL/ADABAS systems. Its provides several capabilities, such as call graphs, identification and visual representation of application tiers, the presentation of flows from screen to database entities, cluster analysis and...
Article
This paper aims at identifying some of the key factors in adopting an organization-wide software reuse program. The factors are derived from practical experience reported by industry professionals, through a survey involving 57 Brazilian small, medium and large software organizations. Some of them produce software with commonality between applicati...
Article
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Nowadays software systems are essential to the environment of most organizations, and their maintenance is a key point to support business dynamics. Thus, reverse engineering legacy systems for knowledge reuse has become a major concern in software industry. This article, based on a survey about reverse engineering tools, discusses a set of functio...
Conference Paper
Full-text available
Software maintenance tasks are the most expensive activities on legacy systems life cycle, and system understanding is the most important factor of this cost. Thus, in order to aid legacy knowledge retrieval and reuse, this paper presents LIFT: a Legacy InFormation retrieval Tool, discussing since its initial requirements until its preliminary expe...
Conference Paper
Full-text available
The use of distributed object technology in the web systems development process has been evidenced as a trend, due to the adoption of mechanisms that leverages the construction of reusable, flexible and scalable applications. However, the use of specifications such as J2EE or CORBA has implied in a bigger effort of development, justified by the lea...

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