Browsing Computación e informática by Author "924d5648-da78-4437-9a9f-c614679fa2a9"
Now showing items 1-20 of 24
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Alzheimer’s Disease Early Detection Using a Low Cost Three-Dimensional Densenet-121 Architecture
Solano Rojas, Braulio José; Villalón Fonseca, Ricardo; Marín Raventós, Gabriela (2020-06-23)The objective of this work is to detect Alzheimer’s disease using Magnetic Resonance Imaging. For this, we use a three-dimensional densenet-121 architecture. With the use of only freely available tools, we obtain good ... -
Cloud Management Platform Selection: A Case Study in a University Setting
Cocozza Garro, Francisco José; López Herrera, Gustavo; Marín Raventós, Gabriela; Villalón Fonseca, Ricardo; Arroyo Mora, Rafael Francisco (2015-03-22)Cloud Computing has gained importance in recent years. There are many implementations' analyses and evaluations of Cloud Management Platforms (CMPs) in the literature. Moreover, the context and characteristics differ ... -
Common causes and effects of technical debt in Costa Rica: InsighTD survey replication
Murillo Quintana, María Isabel; Pacheco Hernández, Alexia; López Herrera, Gustavo; Marín Raventós, Gabriela; Guzmán Benavides, Julio César (2021-10)Technical debt is a concept used to describe technical decisions that can benefit companies in the short term but can produce costs and software quality issues in the long term. Technical debt management can help enterprise ... -
Desarrollo de un método para calcular el ranking de popularidad de personajes por temas en Twitter
Vargas Barrantes, Francis Adrián (2022-07-29)En el siguiente capítulo 2 se explican los conceptos más relevantes para la comprensión de este trabajo. Se explica la idea principal del análisis de redes sociales, el algoritmo PageRank y funcionamiento del coeficiente ... -
Designing a Context-Aware Smart Notifications System for Precision Agriculture
Brenes Carranza, José Antonio; Ferrández Pastor, Francisco Javier; López Herrera, Gustavo; Marín Raventós, Gabriela (2022-11-21)Smart farming solutions seek to help farmers in their daily activities. Their use has shown that it is beneficial for farmers to be aware of the distinct variables affecting the production. For this reason, having alerts ... -
Designing diagnosis instrument to determine e-Commerce readiness for micro and small enterprises in rural areas
Barquero Salazar, Michael; Marín Raventós, Gabriela; López Herrera, Gustavo (2022-05)Before implementing electronic commerce, micro-businesses must conduct a diagnostic study to determine its feasibility. They must decide whether they have the technological resources required and determine if potential ... -
Diagnóstico para la adopción de plataformas de comercio electrónico en micro y pequeñas empresas de zonas rurales: caso de estudio de la región de Río Cuarto, Alajuela
Barquero Salazar, Michael (2021-01-28)Nos encontramos en plena crisis económica, durante la cual las empresas deben encontrar nuevas alternativas de llegar a sus clientes Mediante la implementación y apoyo de la tecnología en los negocios es posible desarrollar ... -
Diseño de un prototipo de realidad virtual para ser usado en un estudio de mercado de diseño de empaques de un producto
Brenes Vindas, Ana Ligia (2019)La investigación de mercado es importante porque cada empresa quiere destacarse de sus competidores. Sin embargo, existen desventajas bien conocidas de los métodos tradicionales de investigación de mercado [1]. Esta ... -
Evaluation of potential features present in short texts in spanish in order to classify them by polarity
Casasola Murillo, Edgar; Leoni de León, Jorge Antonio; Marín Raventós, Gabriela (2016)This work describes the identification and evaluation process of potential text markers for sentiment analysis. The evaluation of the markers and their use as part of the feature extraction process from ... -
Evaluation of potential Spanish text markers on social posts asfeatures for polarity classification
Casasola Murillo, Edgar; Leoni de León, Jorge Antonio; Marín Raventós, Gabriela (2017)This work describes the identification and evaluation process of potential text markers for sen-timent analysis. Evaluation of the markers and its use as part of the feature extraction processfrom plain text that is needed ... -
GQM+Strategies and IDEAL: A Combination of Approaches to Achieve Continuous SPI An Experience Report in a Large Multi-industry State-Owned Company
López Herrera, Gustavo; Pacheco Hernández, Alexia; Cocozza Garro, Francisco José; Garbanzo Quirós, Diana; Aymerich Fuentes, Brenda; Marín Raventós, Gabriela (2016)GQM+Strategies is an approach that aligns the business goals at each level of an organization to strategies and assesses the achievement of goals. The IDEAL model is an organizational improvement model. In this paper, ... -
Human aspects of ubiquitous computing: a study addressing willingness to use it and privacy issues
López Herrera, Gustavo; Marín Raventós, Gabriela; Calderón Campos, Marta Eunice (2017)Identifying the human aspects related to ubiquitous systems focused on people’s willingness to use them and privacy concerns was our goal. We selected two ubiquitous systems: a wearable system (Google Glass) and an embedded ... -
Learning principles in program visualizations: a systematic literature review
Hidalgo Céspedes, Jeisson; Marín Raventós, Gabriela; Lara Villagrán, Vladimir (2016-10)Program visualizations help students understand the runtime behavior of other programs. They are educational tools to complement lectures or replace inefficient static drawings. A recent survey found 46 program ... -
Making technical debt visible using hybrid sankey diagrams: An industrial case study
Pacheco Hernández, Alexia; Marín Raventós, Gabriela; Spínola, Rodrigo; López Herrera, Gustavo; Seaman, Carolyn (2022-11)Technical debt (TD) is a challenge for companies who develop software on which their critical operations depend. To properly manage TD, it is necessary to make it visible to the different stakeholders involved to support ... -
Mobile internet tariff models: technical or political decisions? A Costa Rican case study
Castro Reyes, Alexander; Marín Raventós, Gabriela (2016)We focus on the discussion about the proposal of shifting to a post paid mobile Internet tariff model based on usage, and its impact on universal use and service access for the poor sectors of the country. This proposal ... -
Promoting quality e-government solutions by applying a comprehensive information assurance model: use cases for digital signature
Villalón Fonseca, Ricardo; Mora Castro, Alejandro; Bartels González, Rodrigo; Carballo Chavarría, Miguel; Marín Raventós, Gabriela (2016)Information and Communication Technologies, and specifically e-Government developments, occupy a relevant position in the national agenda of many countries worldwide. But development of such projects requires a careful ... -
Sign language recognition model combining non-manual markers and handshapes
Quesada Quirós, Luis; Marín Raventós, Gabriela; Guerrero Blanco, Luis Alberto (2016-11-29)People with disabilities have fewer opportunities. Technological developments should be used to help these people to have more opportunities. In this paper we present partial results of a research project which aims to ... -
Social network analysis for automatic ranking of political stakeholders: A case study
Vargas Barrantes, Francis Adrián; Marín Raventós, Gabriela; López Herrera, Gustavo; Casasola Murillo, Edgar (2022-10)This article exposes the way in which the creation of a new method for calculating the popularity of stake holders in social networks can support political data analysis experts. The definition of a new formula for estimating ... -
Towards smart notifications - An adaptive approach using smart devices
López Herrera, Gustavo; Guzmán Villalta, Marcelo; Marín Raventós, Gabriela; Guerrero Blanco, Luis Alberto (2016)The use of smart devices is increasing rapidly; this trend is changing the paradigm in which notifications are delivered to users. Smart devices are important to provide user awareness. However, their use must be controlled ... -
Typifying mechanisms for gender digital equity in Latin America
Marín Raventós, Gabriela; Calderón Campos, Marta Eunice (2016)Gender digital equity in Latin America and the Caribbean is our goal. We analyze gender specific structural inequalities that constitute barriers for women’s access to ICT: such as education, traditional cultural beliefs ...