Vinicius Ramos

Student attrition and academic failure remain pervasive challenges in education, often occurring at substantial rates and posing considerable difficulties for timely identification and intervention. Learning management systems such as Moodle generate extensive datasets reflecting student interactions and enrollment patterns, presenting opportunitie...

Predicting in advance the likelihood of students failing a course or withdrawing from a degree program has emerged as one of the widely embraced applications of Learning Analytics. While the literature extensively addresses the identification of at-risk students, it often doesn’t evolve into actual interventions, focusing more on reporting experime...

NA INDÚSTRIA 4.0, MARCADA PELO USO INTENSIVO DE TECNOLOGIAS E MÁQUINAS, É CADA VEZ MAIS COMUM O USO DA INTELIGÊNCIA ARTIFICIAL (IA) PARA REALIZAR TAREFAS ROTINEIRAS E REPETITIVAS NO INTUITO DE LIBERAR TEMPO DOS PROFISSIONAIS PARA ATIVIDADES DE MAIOR VALOR AGREGADO. NESTE CENÁRIO, O CHAT GPT, UM ROBÔ QUE USA A IA PARA APOIAR TAREFAS INOVADORAS NAS M...

Instituições públicas brasileiras necessitam atender a diversas especificidades para realizarem processos de compras idôneos e eficientes, como não comprar produtos e serviços em duplicidade. No entanto, esse é um problema que acontece de forma recorrente nas aglutinações de demandas. Para mitigar esse problema, este trabalho apresenta técnicas de...

O objetivo principal deste artigo é apresentar os resultados da institucionalização de um laboratório de pesquisa e extensão com foco em automação de Business Process Management (BPM) em uma IES pública. Busca-se discutir a relevância do BPM para a gestão de IES, assim como as possibilidades de governança e de tecnologia ao adotar um método próprio...

Learning analytics (LA) tools hold promise for transforming educational practices, providing insights into student performance, and aiding instructional planning. Despite the growing body of literature, the integration of these tools into daily educational processes remains a complex challenge. Latin America has experienced a significant expansion...

Learning Analytics (LA) busca medir, coletar e analisar dados educacionais. Este campo de pesquisa cresceu rapidamente na última década, no entanto, estudos em diversos países mostram que a adoção de LA ainda é realizada principalmente em pequena escala e de forma isolada em nível administrativo das Instituições de Ensino Superior (IES). A adoção d...

Este artigo apresenta os resultados de uma pesquisa-ação, com mapeamento de literatura, diagnóstico para contextualização e definição de problema, apresentação de um ciclo de vida Business Process Management unificado para as áreas de ensino, pesquisa e extensão de uma Instituição de Ensino Superior (IES) Pública. Os ciclos da pesquisa-ação foram r...

Resumo: A gestão do conhecimento (GC) tornou-se indispensável para o desenvolvimento organizacional. Contudo, há grandes desafios a serem enfrentados na segurança pública, os quais têm limitado sua implementação. Porém, pressupõe-se que benefícios da GC poderiam aperfeiçoar os modelos de governança de segurança pública, em especial o modelo brasile...

Resumo: Esta pesquisa tem como objetivo investigar, por meio de pesquisa exploratória e descritiva, como a Gestão do Conhecimento pode ser utilizada para o aprimoramento do modelo de governança da Secretaria de Segurança Pública do Estado de Goiás. O estudo adota revisão da literatura de cunho qualitativo, com abordagem exploratória e documental, c...

Este trabalho discute a implementação e aprimoramento de uma solução de Learning Analytics destinada à identificação de padrões de comportamento de estudantes em Ambientes Virtuais de Aprendizagem (AVA) e à criação de modelos preditivos para evasão e reprovação. A estratégia proposta engloba a instalação de um plugin no servidor Moodle da instituiç...

The search for improved teaching methods and a more personalized education has been a constant challenge in the educational field. Learning Analytics (LA), the measurement, collection, analysis, and reporting of data about students and their contexts, has emerged as a promising approach to understand and optimize learning environments. This paper f...

In Brazil, SEBRAE reported that a record number of new businesses were created in 2021, with over 3.9 million new companies. However, data from Revista Exame shows that a third of Brazilian companies close before two years of operation. Entrepreneurial Diagnosis done by business consultants contributes to overcoming this problem, as it helps consol...

Esse trabalho objetiva, por meio da aplicação dos algoritmos Latent Dirichlet Allocation (LDA), NGram e Bag of Words(BOW), analisar como o aprendizado de máquina usado na mineração de conversas pode ajudar no aperfeiçoamento de chatbots através da identificação da intenção do cliente ao entrar em contato com uma empresa. A metodologia será qualitat...

É verdadeiro afirmar que Chatbots tiveram uma crescente causada pelo impacto da pandemia COVID-19, dentre os diversos domínios de conhecimento abrangentes, também se encontram atuando no papel de assistentes virtuais direcionados ao universo educacional. Foi desenvolvido um assistente virtual baseado em uma ontologia elaborada a partir de documento...

Big Data and Artificial Intelligence (AI) confer substantial advancements across diverse sectors of society, education included. However, it is imperative to extend the discourse surrounding these interventions to align with ethical research principles, data usage, and prevailing legislation. Consequently, this study endeavors to scrutinize scholar...

This work shows the application of machine learning algorithms to decide whether Financial Intelligence Reports analyzed by the Brazilian Federal Police should be investigated or archived. We explain how the suspicious financial operations found in the Financial Intelligence Reports are a crucial piece of information to combat money laundering crim...

A adoção de Learning Analytics (LA) em Instituições de Ensino Superior (IES) é considerada uma tarefa desafiadora, por sugerir mudanças na estrutura da IES e abranger atividades em diversos setores do sistema de ensino. Compreender o nível de maturidade dos projetos de LA existentes dentro das IES torna-se fundamental para que as instituições consi...

We are pleased to present the proceedings of the IV Workshop on Information, Data, and Technology (WIDaT 2021). We initially planned this event to be held in Belo Horizonte, Brazil, hosted by the Federal Center for Technological Education of Minas Gerais (CEFET-MG). Still, due to the COVID-19 pandemic, we celebrated it virtually from 20-21 October...

Learning Analytics Dashboards are important tools that help professors to follow and understand students behavior inside Learning Management Systems. Moodle is one of the most popular and used Learning Management Systems available nowadays, and a number of initiatives have been conducted to offer Learning Analytics features inside it. The present p...

Learning Analytics Dashboards are useful tools for presenting data visually. This work presents a systematic mapping study of publications from 2010 to 2020 (May) about Learning Analytics and visualization tools for Moodle. A total of 238 papers were collected from Scopus, Web of Science, and CAPES Portal. From those, 51 were selected to be analyze...

This paper proposes and validates a short and simple Expectancy-Value-Cost scale, called EVC Light. The scale measures the motivation of students in computing courses, allowing the easy and weekly application across a course. One of the factors related directly to the high rate of failure and dropout in computing courses is student motivation. Howe...

Teaching introductory computer programming and choosing the proper tools and programming languages are challenging tasks. Most of the existing tools are not fully integrated into systems to support the teaching-learning processes. The present paper describes the usability evaluation of the Virtual Programming Lab module for Moodle (VPL-Moodle) base...

Communicating in social and public environments are considered professional skills that can strongly influence career development. Therefore, it is important to proper train and evaluate students in this kind of abilities so that they can better interact in their professional relationships, during the resolution of problems, negotiations and confli...

Despite being a problem reported in a long time, the high rate of dropout and failure in computing courses remains a problem. Although there is a strong relationship between the motivation and the students outcome, few works use the motivation as a factor to identify students at risk. This work presents and evaluates a method to identify features t...

In the current context of a global pandemic, distance education has been identified as a quick solution to the challenges of higher education. This proposal disregards the enormous complexity of the planning and implementation process of this modality, when carried out with quality. Among the main needs is a rigorous teacher training process. This...

Money laundering is a category of crime that requires great efforts by criminal investigators to gather a variety of information in order to set the context for an investigation. One of the sources for starting the investigation and the search for adjacent information is the Financial Intelligence Report. From this report, the researcher dives into...

Algorithms and programming are some of the most challenging topics faced by students during undergraduate programs. Dropout and failure rates in courses involving such topics are usually high, which has raised attention towards the development of strategies to attenuate this situation. Machine learning techniques can help in this direction by provi...

This paper presents a systematic mapping study on factors that affect motivation in computing undergraduate students. Although there are several initiatives to improve teaching and learning computing, the panorama is still negative. Motivation and engagement are usually singled out as reasons for students' retention or success, but we found a lack...

This article describes the instructional design and evaluation of a course about project management in a software engineering post-graduation program using different teaching approaches and with a focus on active learning. We use four different approaches: digital educational game, non-digital educational game, hands-on activity, and experiential a...

Trata da apresentação de um desenho de pesquisa para o tratamento de grande quantidade de dados de trocas comunicativas do Twitter durante as manifestações rede-rua em 2015 no Brasil.

O reconhecimento de entidades nomeadas é uma das subáreas do processamento de linguagem natural, mineração de textos e aprendizado de máquinas. Todas essas áreas fazem parte da grande área da inteligência artificial, muito utilizada em diversos problemas práticos do nosso dia a dia. Uma das competências da Polícia Federal é a investigação de crimes...

Este artigo apresenta uma revisao sistematica da literatura (RSL) sobre o ensino de programacao e algoritmos para alunos iniciantes do ensino superior brasileiro, chamados CS1 (Computer Science 1). A RSL foi realizada a partir da revisao dos artigos publicados nos eventos SBIE, WIE, WEI e WAAAP entre os anos de 2001 a 2014. Este trabalho busca evid...

A hypermedia system gives too much freedom to the user to navigate through the hyperspace. An Adaptive Hypermedia System (AHS) gives personalized content, presentation, and navigation support to help user find the information she needs or complete her tasks. In this chapter we focus on AH systems with educational purpose and are interested in evalu...

The focus of this work is the evaluation of adaptive courses created and delivery by AHA! (the Adaptive Hypermedia Architecture) and GALE (the Generic Adaptation Language and Engine developed in the EU FP7 project GRAPPLE). The main goal of these evaluations is to understand the influence of adaptation on students’ learning in an adaptive hypertext...

This paper presents and discusses in detail the results obtained by an evaluation of an adaptive course served by the GALE system developed in the EU FP7 project GRAPPLE. The main goal of that evaluation is to understand the influence of adaptation on students’ learning in an adaptive hypertext course. We analyzed the students’ logs, the performed...

This paper motivates and describes GALE, the Generic Adaptation Language and Engine that came out of the GRAPPLE EU FP7 project. The main focus of the paper is the extensible nature of GALE. The purpose of this description is to illustrate how a single core adaptation engine can be used for different types of adaptation, applied to different types...

In adaptive hypertexts the user is guided in two ways: through the existence of link and through link annotation or hiding. Link structures have been investigated, starting with Botafogo et al, and the effect of link annotation has been studied, for instance by Brusilovsky et al. This paper studies the combined effect of link structure and annotati...