Fronteras simbólicas y clases medias. Movilidad social en Chile

Variabilidad, Trazabilidad y Líneas de Productos: una Propuesta basada en UML y Clases Parciales

Uno de los problemas clave en el desarrollo de una línea de productos software es la representación y gestión de la parte común y variable de la misma. La forma habitual de definir ambos aspectos es mediante modelos de características o features que además permiten seleccionar la configuración de cada aplicación concreta dentro de la línea de productos. Sin embargo la trazabilidad entre los mod...

VIH y SIDA en Chile: desafíos para su prevención.

Explorando la Influencia del Género en la Percepción y Adopción de e-Learning en Alumnos de Educación Superior en Chile

The main objective of this study is to examine gender differences and technology acceptances from tertiary education students from Chile. The TAM model is the tool used to measure the acceptance and use of e-learning of respondents. Partial Least Squares (PLS) was used, specifically, multi-group PLS analysis was used to compare between-group differences. In summary, we can affirm that in a samp...

Tratamiento del desbalance en problemas con múltiples clases con ECOC

Imbalanced training sample means that one class is represented by a large number of examples while the other is represented by only a few. This problem may produce an important deterioration of the classifier performance, in particular with patterns belonging to the less represented classes. The majority of the studies in this area are oriented, mainly, to resolve problems with two classes. How...

Mining Comparative Sentences from Social Medias

Comparative opinions represent a way of users express their preferences about two or more entities. In this paper we address the problem of comparative sentences mining focused on social medias. We propose a genetic algorithm able to mine comparative sentences from short sentences based on sequential patterns classification. A comparison among classifiers regarding comparative sentences analysi...