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180.985  Articles
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Ransomware is a dangerous malware that blocks access to data through encryption, and it exploits device vulnerabilities to perform chain attacks from one system to another. This study results in modeling the threat of ransomware attacks using Bayesian Net... see more

This paper represents a new approach to manage learner modeling in an adaptive learning system framework. It considers developing the basic components of an adaptive learning system such as the learner model, the course content model and the adaptation en... see more

The core of adaptive system is user model containing personal information such as knowledge, learning styles, goalsâ?¦ which is requisite for learning personalized process. There are many modeling approaches, for example: stereotype, overlay, plan recogni... see more

Lombok Island is one of the favorite tourist destinations. Various topics and comments about Lombok tourism experience through social media accounts are difficult to manually identify public sentiments and topics. The opinion expressed by tourists through... see more

The Recursive Bayesian Net (RBN) formalism was originally developed for modelling nested causal relationships. In this paper we argue that the formalism can also be applied to modelling the hierarchical structure of mechanisms. The resulting network conta... see more

Originalmente los modelos para la teor´ia de respuesta al ítem (TRI) fueron desarrollados entre los años de 1970 y 1980, principalmente desde el campo de lapsicometr´ia, intentando evaluar rasgos latentes (como la habilidad de la persona),para as´i o... see more

Los modelos espaciales que suavizan las tasas de mortalidad estandarizada o los riesgos relativos son utilizados ampliamente en el mapeo de enfermedades, con el objetivo de explorar y describir patrones espaciales de un evento de interés. Generalmente, la... see more

Los modelos de estados múltiples han demostrado ser de utilidad para el análisis de datos longitudinales, particularmente aquellos que involucran información acerca de la progresión de una enfermedad a través del tiempo. Por otra parte, los métodos bayesi... see more

Se implementa la metodología propuesta por Tellez & López-Ríos (2013) para el aumento del número de puntos de soporte en un diseño D-óptimo bayesiano en modelos de dos compartimientos. Se consideran los datos presentados en Fresen (1986), referido en Atki... see more

1 of 18.099 pages  |  10  records  |  more records»