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Mostrando publicaciones 1-14 de 14
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An ontology to assess data quality domains. A case study applied to a health care entity
Urrutia-Sepúlveda, Angélica; Chavez, Emma; Motz, Regina (2017)Data integration can extend scenarios in applications designed to fulfill the requirements of decision support systems. However, a critical aspect in database development is to determine the quality of the data sources. ...
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Análisis de rendimiento académico estudiantil usando data warehouse difuso
Urrutia-Sepúlveda, Angélica; Zambrano Matamala, Carolina; Varas Contreras, Marcela (2017)Un Data Warehouse (DW) es un repositorio de datos que provienen de distintas fuentes. Es utilizado para el análisis de datos y como apoyo a la toma de decisiones. Ya que permite obtener indicadores cuantitativos tales como ...
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Applying data mining on customer relationship management system to discover forgotten effects
Urrutia-Sepúlveda, Angélica; Rojo, Fabiola; Nicolas Alarcón, Carolina; Ahumada, Roberto (2021)Companies need to know customer preferences for decision-making. For this reason, the companies take into account the Customer Relationship Management (CRM). These information systems have the objective to give support and ...
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Characterization of non spanish-speaking adult migrants population in chile as a basis for a second language planning proposal
Sumonte Rojas, Valeria; Sanhueza Henríquez, Susan; Urrutia-Sepúlveda, Angélica; Hernández-del Campo, Mónica (2022)El progresivo y diverso movimiento migratorio desafía el sistema educativo que no estaba preparado para enfrentar una repentina heterogeneidad lingüística y cultural. Las investigaciones se han focalizado ...
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Complejidad en modelos conceptuales de procesos de negocios. Propuesta de métricas de calidad de modelos conceptuales de procesos
Urrutia-Sepúlveda, Angélica; Méndez L., Ricardo (2016)Los procesos de negocios constituyen un factor clave para el éxito las organizaciones, actualmente el interés en los procesos de negocios por parte de las organizaciones ha crecido de la mano del surgimiento de un sin ...
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Effect of missing data on short time series and their application in the characterization of surface temperature by detrended fluctuation analysis
López-Díaz, Juan L.; Hernández, Sergio; Urrutia-Sepúlveda, Angélica; López-Cortés, Xaviera A.; Araya, H.; Morales-Salinas, Luis (2021)Climate change is deeply impacting the society on different scales. Decision making becomes a complex task when, in adverse weather conditions, the meteorological records show missing data due to failures of measuring ...
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Enfoque MDA para el diseño de un data warehouse difuso
Urrutia-Sepúlveda, Angélica; Zambrano Matamala, Carolina; Varas Contreras, Marcela (2012)Un data warehouse (DW) es un repositorio de datos que provienen de distintas fuentes. Es un sistema para el análisis de datos usado para el apoyo a la toma de decisiones. En el ámbito de análisis de datos es usual encontrar ...
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Explainable hidden Markov model for road safety: a case of road closure recommendations in extreme weather conditions
Hernández, Sergio; López, Juan Luis; López-Cortés, Xaviera A.; Urrutia-Sepúlveda, Angélica (2023)Recommendations analysis of road safety requires decision-making tools that accommodate weather uncertainties. Operation and maintenance of transport infrastructure have been one of the sub-areas that require attention due ...
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Fuzzy logic approach applied into balanced scorecard
Nicolas Alarcón, Carolina; Gil-Lafuente, Jaime; Urrutia-Sepúlveda, Angélica; Valenzuela-Fernández, Leslier (2018)In this paper we propose to apply fuzzy logic methodologies for measuring key performance indicator into Balanced Scorecard (BSC) Customer Perspective. This study provide fuzzy key performance indicator (FKPI) to the ...
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Revisión sistemática de investigación para la identificación de habilidades STEM utilizando análisis de categorías cruzadas
Urrutia-Sepúlveda, Angélica; Seckel-Santis, María J.; Aravena-Díaz, María (2021)Los estudios sobre habilidades matemáticas, científicas y tecnológicas asociadas a STEM (por sus siglas en inglés Sience, Technology, Engineering, Math), que manifiestan los profesores y estudiantes implican una constante ...
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Systematic mapping on social media and its relation to business
Nicolas Alarcón, Carolina; Urrutia-Sepúlveda, Angélica; Valenzuela-Fernández, Leslier; Gil-Lafuente, Jaime (2018)The aim of this study is to analyse the reach of existing investigation on social media and its relation to companies throughout 2014–2015. To achieve the proposed, the study proceeds in classifying such information and ...
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Unsupervised learning for ripeness estimation from grape seeds images
Hernández-Alvarez, Sergio; Morales, L.; Urrutia-Sepúlveda, Angélica (2017)Estimating the current stage of grape ripeness is a crucial step in wine making and becomes especially important during harvesting. Visual inspection of grape seeds is one method to achieve this goal without performing ...
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Using fuzzy Indicators in customer experience analytics
Nicolas Alarcón, Carolina; Gil-Lafuente, Jaime; Urrutia-Sepúlveda, Angélica; Valenzuela-Fernández, Leslier (2021)The aims of this study is to propose a model for managing customer experience analytics focused on value generated in an online market, this study to explore touch points experience, measured with conventional indicators ...
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Using the random forest algorithm for searching behavior patterns in electronic health records
De la Fuente, Claudia; Urrutia-Sepúlveda, Angélica; Chavez, Emma (2019)The search for information associated with qualitative data is usually done using data mining algorithms, the presented research analyzes data of patients with essential hypertension (HTA), patients who have developed ...