Results 51 to 60 of about 2,292,929 (251)

Amenazas para la salud en el Río Sonora: análisis exploratorio de la calidad del agua reportada en la base de datos oficial de México

, 2016
RESUMEN El 6 de agosto de 2014 ocurrio en el Rio Sonora, Mexico, lo que fue llamado “el peor desastre ambiental de la industria minera del pais” cuando la mina Buenavista del Cobre derramo alrededor de 40,000 metros cubicos de lixiviado acido.
Rolando Enrique Díaz Caravantes, H. D. Tagles, Francisco M Durazo Gálvez   +2 more
semanticscholar   +1 more source

Characterization of the stress level of university students using data mining algorithms

Frontiers in Research Metrics and Analytics
There is concern about the levels of stress faced by college students and their effects on mental health and academic performance. This study aimed to characterize academic stress levels in college students, using data mining algorithms to classify and ...
Yuri Reina Marín, Lenin Quiñones Huatangari, Omer Cruz Caro, Einstein Sánchez Bardales, Judith Nathaly Alva Tuesta, Jorge Luis Maicelo Guevara, River Chávez Santos   +6 more
doaj   +1 more source

Aproximación a un modelo contextual para calidad de datos en agricultura de precisión

Revista Ingenierías Universidad de Medellín, 2016
La agricultura de precisión es un concepto agronómico de gestión de parcelas agrícolas, basado en la existencia de variabilidad en campo; comprende varias etapas: recolección de datos, procesamiento de información y toma de decisiones.
Fulvio Yesid Vivas Cantero, Juan Carlos Corrales, Gustavo Adolfo Ramirez Gonzalez   +2 more
doaj   +1 more source

Control de calidad de siete variables del banco nacional de datos de AEMET

, 2016
Este trabajo ha sido posible gracias a la financiacion del proyecto CGL2014-52135-C03-01. El trabajo de Miquel Tomas-Burguera ha sido posible gracias a una beca predoctoral FPU del Ministerio de Educacion, Cultura y deporte.
M. Tomás-Burguera, A. Castañeda, M. Y. L. Rico, Ana Morata, S. Serrano, J. Hidalgo, Santiago Beguería Portugués   +6 more
semanticscholar   +1 more source

Analysis of the digital competencies of regional micro and small enterprises (MSEs)

Journal of Innovation and Entrepreneurship
Digital transformation is crucial for the sustainability and competitiveness of micro and small enterprises (MSEs). This study assessed the level of digital competencies of 119 regional MSEs using the DigComp 2.1 framework.
River Chávez Santos, Yuri Reina Marín, Omer Cruz Caro, Jonathan Alberto Campos Trigoso, Jorge Luis Maicelo Guevara, Judith Nathaly Alva Tuesta, Einstein Sánchez Bardales   +6 more
doaj   +1 more source

Expert System for Crop Disease based on Graph Pattern Matching: A proposal [PDF]

, 2015
Para la agroindustria, las enfermedades en cultivos constituyen uno de los problemas más frecuentes que generan grandes pérdidas económicas y baja calidad en la producción.
Corrales, Juan Carlos, Lasso Sambony, Emmanuel   +1 more
core   +2 more sources

Analysis of factors affecting the academic performance of university students using machine learning

Scientific Reports
Understanding the determinants of university students’ academic performance has become a strategic priority for higher education institutions, especially in contexts marked by social, economic, and academic diversity.
Yuri Reina Marín, Lenin Quiñones Huatangari, Judith Nathaly Alva Tuesta, Omer Cruz Caro, Jorge Luis Maicelo Guevara, Einstein Sánchez Bardales, River Chávez Santos   +6 more
doaj   +1 more source

Data Mining to Identify University Student Dropout Factors

Applied Sciences
University dropout poses academic, social, and economic challenges that call for effective prevention strategies. The objective was to identify determining factors of student dropout through educational data mining and machine learning models.
Yuri Reina Marín, Lenin Quiñones Huatangari, Omer Cruz Caro, Jorge Luis Maicelo Guevara, Judith Nathaly Alva Tuesta, Einstein Sánchez Bardales, River Chávez Santos   +6 more
doaj   +1 more source

Mixed‐methods systematic review exploring the associations underpinning active outdoor play with connection to nature and environmental stewardship

People and Nature, EarlyView.
Abstract Active outdoor play has been positioned in the literature as an opportunity to address concerns over climate (in)action and the rising trend of disconnection from the outdoors and nature. The objective of this systematic review was to examine associations between active outdoor play and people's connection to nature and/or environmental ...
Louise de Lannoy, Brianna Nasrallah, Nicholas Hayhow, Ulises Charles‐Rodriguez, Kimberly Squires, Zainab Badruddin, Justin J. Lang, Shawnda A. Morrison, Po‐Yu Wang, Mark S. Tremblay, Eun‐Young Lee   +10 more
wiley   +1 more source

Satisfacción, bienestar y calidad de vida en el trabajo

Revista Española de Investigaciones Sociológicas (REIS)
Este artículo analiza empíricamente un modelo de relación entre los valores culturales y laposibilidad de consecución de los objetivos materiales que proporciona una sociedad.
Félix Requena Santos
semanticscholar   +1 more source