Marcelo Fernandes Pacheco Dias

ORCID: 0000-0003-4610-0819
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About
Contact & Profiles
Research Areas
  • Rural Development and Agriculture
  • Business and Management Studies
  • Agricultural and Food Sciences
  • Retinal Imaging and Analysis
  • Innovation and Knowledge Management
  • Cooperative Studies and Economics
  • Innovation and Socioeconomic Development
  • Glaucoma and retinal disorders
  • Social and Economic Solidarity
  • Regional Development and Innovation
  • Science, Technology, and Education in Latin America
  • Agricultural Innovations and Practices
  • Sentiment Analysis and Opinion Mining
  • Reproductive Physiology in Livestock
  • Sustainable Supply Chain Management
  • Global trade, sustainability, and social impact
  • Organic Food and Agriculture
  • Neuroscience and Neuropharmacology Research
  • Business Strategy and Innovation
  • Spam and Phishing Detection
  • Business, Education, Mathematics Research
  • University-Industry-Government Innovation Models
  • Entrepreneurship Studies and Influences
  • Retinal Diseases and Treatments
  • Imbalanced Data Classification Techniques

Universidade Federal de Pelotas
2013-2024

Fundação Centro de Hematologia e Hemoterapia de Minas Gerais
2023

Universidad Nacional del Sur
2022

Universidade Federal do Rio Grande do Sul
1997-2021

Chartered Institute of Management Accountants
2020

Instituto Federal Sul-rio-grandense
2020

Centro Brasileiro de Análise e Planejamento
2014-2018

Universidade de São Paulo
2009-2016

Universidade Politecnica
2009

Community University of Chapecó Region - Unochapecó
2008

Purpose . To investigate the diagnostic accuracy of machine learning classifiers (MLCs) using retinal nerve fiber layer (RNFL) and optic (ON) parameters obtained with spectral domain optical coherence tomography (SD-OCT). Methods Fifty-seven patients early to moderate primary open angle glaucoma 46 healthy were recruited. All 103 underwent a complete ophthalmological examination, achromatic standard automated perimetry, imaging SD-OCT. Receiver operating characteristic (ROC) curves built for...

10.1155/2013/789129 article EN cc-by Journal of Ophthalmology 2013-01-01

To evaluate the sensitivity and specificity of machine learning classifiers (MLCs) for glaucoma diagnosis using Spectral Domain OCT (SD-OCT) standard automated perimetry (SAP).Observational cross-sectional study. Sixty two patients 48 healthy individuals were included. All underwent a complete ophthalmologic examination, achromatic (SAP) retinal nerve fiber layer (RNFL) imaging with SD-OCT (Cirrus HD-OCT; Carl Zeiss Meditec Inc., Dublin, California). Receiver operating characteristic (ROC)...

10.1590/s0004-27492013000300008 article EN Arquivos Brasileiros de Oftalmologia 2013-06-01

Introdução: A definição de Atenção Básica foi estabelecida pela Portaria n°2.436 como um conjunto ações saúde que envolvem o indivíduo e coletivo, com objetivo promover, prevenir proteger a população, contribuindo para coletiva. Objetivo: Descrever elaboração ferramentas melhora do funcionamento das salas curativo carrinho emergência. Métodos: Este trabalho trata-se relato experiência referente projeto extensão da disciplina Prática em Saúde Coletiva II, desenvolvido uma Unidade (UBS)....

10.56238/arev7n1-124 article PT Aracê. 2025-01-13

Since the second half of twentieth century, advancing economic growth in global economies has led to a significant increase environmental concerns. In this context, it become evident that widely used socioeconomic indicators do not include variables related environment and other social issues, such as labor education. Therefore, is necessary reflect on develop new address these aspects, with Green GDP being prominent example how bridge gap. The aim study analyze relationship between...

10.14393/sn-v37-2025-75607 article EN cc-by Sociedade & natureza 2025-03-26

Objective: To report on an initiative to train, motivate and encourage women in the Jequitinhonha Valley join and/or remain beekeeping activities, order help strengthen honey production chain Valley. Theoretical Reference: Studies exploring role of activities around world are increasingly focusing obstacles face activity offer suggestions for improvement. In this context, there is a recommendation that training be offered specifically targets women. Method: The methodology study was...

10.24857/rgsa.v19n4-026 article EN Revista de Gestão Social e Ambiental 2025-04-04

Objective: This research aims to discuss strategies for publicizing beekeeping activities in the Jequitinhonha Valley, as a way of giving visibility products this production chain. Theoretical Framework: It is important encourage and support producers adopting visualizing, differentiating protecting their and/or services. In sense, geographical indication (GI) can be perceived quality attribute. order obtain GI, it necessary think about demonstrate peculiarities product or service. Method:...

10.24857/rgsa.v19n4-056 article EN Revista de Gestão Social e Ambiental 2025-04-10

Introdução: A cirurgia plástica reparadora exerce papel fundamental na reabilitação de pacientes oncológicos, promovendo benefícios que vão além da estética, ao impactar diretamente a saúde física, emocional e qualidade vida. Este estudo teve como objetivo analisar relevância dessa intervenção em indivíduos sofreram alterações corporais decorrência do câncer. Métodos: Foi realizada uma revisão integrativa caráter qualitativo, com base publicações dos últimos cinco anos nas plataformas...

10.69849/revistaft/ni10202504301254 article PT Revista fisio&terapia. 2025-04-30

This paper describe a weakly supervised solution for detecting stance in tweets, submitted to the SemEval 2016 Stance Task.Our approach is based on premise that can be exposed as positive or negative opinions, although not necessarily about target itself.Our system receives input ngrams representing opinion targets and common terms used denote (e.g.hashtags), use these features, together with sentiment detection solutions, automatically compose large training corpus.Then, it applies learning...

10.18653/v1/s16-1061 article EN cc-by Proceedings of the 16th International Workshop on Semantic Evaluation (SemEval-2022) 2016-01-01

Purpose Although the governance and management of networks are deeply intertwined, there is a lack empirical studies on how strategic (SNs) configure both realities for higher performance. This paper aims to analyze array sets adopted by high-performing SNs. Design/methodology/approach The authors bridge research gap using qualitative comparative analysis (decision-making process, formalization, specialization, incentives control) (strategy, structure, processes leadership) dimensions 73...

10.1108/jbim-07-2021-0336 article EN Journal of Business and Industrial Marketing 2022-03-28

Multiple sclerosis (MS) is a chronic neuroinflammatory disease characterized by central nervous system demyelination and axonal degeneration. Fatigue affects major portion of MS patients, significantly impairing their daily activities quality life. Despite its prevalence, the mechanisms underlying fatigue in are poorly understood, measuring remains challenging task. This study evaluates efficacy automated speech analysis detecting patients. patients underwent detailed clinical assessment...

10.3389/fnhum.2024.1449388 article EN cc-by Frontiers in Human Neuroscience 2024-09-13

Diabetic retinopathy is one of the main causes vision loss, and it can be identified through ophthalmological examinations that aim to locate presence retinal lesions such as Microaneurysms, Hemorrhages, Soft Exudates, Hard Exudates. The development computerized approaches perform instance segmentation these help in early diagnosis disease. However, instances artifacts retina a complex task due factors object size morphological characteristics. This article proposes new approach based on...

10.1109/access.2023.3271895 article EN cc-by-nc-nd IEEE Access 2023-01-01

Purpose. To investigate the sensitivity and specificity of machine learning classifiers (MLC) spectral domain optical coherence tomography (SD-OCT) for diagnosis glaucoma. Methods. Sixty-two patients with early to moderate glaucomatous visual field damage 48 healthy individuals were included. All subjects underwent a complete ophthalmologic examination, achromatic standard automated perimetry, RNFL imaging SD-OCT (Cirrus HD-OCT; Carl Zeiss Meditec, Inc., Dublin, California, USA). Receiver...

10.5301/ejo.5000183 article EN European Journal of Ophthalmology 2012-06-15

Currently there is little empirical evidence on the impact of Solidarity Economy Organizations (SEOs) in their local communities. Using qualitative comparative analysis more than 6,000 Brazilian SEOs, we analyzed how key rules governance combination with predominant gender members influences SEO effectiveness for community impact. Results point out four combinations and that are likely to produce positive outcomes Our findings have three implications. They substantiate empirically argument...

10.1080/02692171.2019.1707786 article EN International Review of Applied Economics 2020-01-07

O trabalho analisa a distribuição de serviços públicos saúde na cidade São Paulo entre 2001 e 2012. Nesse período registraram-se ganhos importantes no acesso esses favor dos que vivem nas periferias, principalmente aquelas apresentam os piores indicadores socioeconômicos. Para explicar resultados revisitamos as políticas adotadas pelo município exploramos sua relação com disputas eleitorais, bem como valorização do princípio universal à por parte políticos profissionais começaram atuar...

10.1590/s0101-33002014000300008 article PT cc-by Novos Estudos - CEBRAP 2014-11-01

Purpose This paper aims to analyze the evolution and interaction over time of functions a technological innovation system (TIS) based on concept an motor. Design/methodology/approach It is case study associated with technology for producing cage-free pullets laying eggs in Pelotas/Rio Grande do Sul (RS). Findings The motors proposed by TIS approach evolve sequentially are cumulative causality mechanisms. study's results identified two functionalities: analysis chain as whole coordination...

10.1108/inmr-11-2021-0212 article EN cc-by Innovation & Management Review 2023-03-25

Resumen: Cuando no existe transferencia de conocimiento al sector productivo o en casos donde la capacidad científico-tecnológica las universidades es débil, como sucede varias latinoamericanas, posibilidades desarrollo económico se reducen.Frente a este problema, el objetivo del presente trabajo realizar un análisis redes sociales profesores y unidades académicas involucradas generación conocimientos sobre agronegocios una universidad argentina otra brasilera.El estudio efectúa producción...

10.4067/s0718-27242016000200011 article ES cc-by Journal of technology management & innovation 2016-06-01

O objetivo deste artigo foi apresentar um estudo de caso múltiplo que mensurou a prioridade dada por seis empresas compradoras arroz aos critérios competição observados no setor. feito em dos maiores supermercados com operações Santa Catarina e Rio Grande do Sul. A setor descrita uma estrutura forma árvore. primeira camada da incluiu os preço, qualidade, variedade, imagem, desempenho entrega assistência ao comprador. Para priorização, distribuída importância relativa entre estrutura, base...

10.14488/1676-1901.v11i3.669 article PT cc-by Revista Produção Online 2011-09-06

Abstract The purpose of this article is to identify the most effective governance configurations, including gender composition, for creation and amplification solidarity economy cooperative (SEC) members' income. It known that these organizations affects their ability provide work income millions disfranchised people around world. However, relationship between SECs, gender, remains under‐investigated under‐theorized. To bridge gap, we employ qualitative comparative analysis method...

10.1002/nml.21480 article EN Nonprofit Management and Leadership 2021-05-31
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