Listar Investigación por fecha de publicación
Mostrando ítems 261-280 de 484
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Synthesis of Optical Filters Using Sagnac Interferometer in Ring Resonator
(2010-07-02)We propose a novel synthesis method for designing flexible, tunable non-periodic filters. It is based on a building block which is presented by first time for these purposes, being the poles position tuned by means of a ... -
Interactions as the Basis of Collaboration Dynamics in Teaching Usability
(2010-07-02)Este artículo presenta el resultado de una experiencia en la cual, mediante la aplicación de un modelo instruccional colaborativo, para la enseñanza de las técnicas más comunes de evaluación de la usabilidad de ... -
A Distributed Hierarchical Multi-agent Architecture for Detecting Injections in SQL Querie
(2010-07-02)SQL injections consist in inserting keywords and special symbols in the parameters of SQL queries to gain illegitimate access to a database. They are usually identified by analyzing the input parameters and removing the ... -
Unsupervised Visualization of SQL Attacks by Means of the SCMAS Architecture
(2010-07-02)This paper presents an improvement of the SCMAS architecture aimed at securing SQL-run databases. The main goal of such architecture is the detection and prevention of SQL injection attacks. The improvement consists in the ... -
Environment to Support Mobile Learning
(2010-07-02)Este trabajo presenta la propuesta de diseño de una arquitectura para el desarrollo de una plataforma educativa de aprendizaje móvil, m-learning, que facilite a los usuarios interactuar de forma eficiente, flexible y ... -
Experimental Evaluation of Perception and Actuation Architectures for the Articulated Vehicle Automatic Control
(2010-07-02)Bus Rapid Transit systems as well as Intelligent Transport Systems are being subject of research since many years. Nowadays with highly developed instrumentation, sensing and actuation technologies it is possible to foresee ... -
Monitoring of Levels Moisture Soil Based on Electroresistive Methods: Case of the Gamboa Area, Panama Canal
(2010-07-02)El objetivo principal de esta primera etapa de investigación se centra en obtener información referente a las características de los niveles freáticos en dos importantes zonas del sitio de Gamboa – área del Canal de Panamá: ... -
Lateral and Longitudinal Control System for the Automation of an Articulated Bus
(2010-07-02)This paper presents several results regarding the lateral and longitudinal control systems that have been applied for the automation of an articulated bus, using a rolling wheeled box system with special design that moves ... -
Esquema de Seguridad en SOAP Basado en OpenSAML
(2010-07-03)SOAP es un protocolo de comunicación basado en XML para el intercambio de información entre aplicaciones en un entorno distribuido. SOAP no cuenta con mecanismos propios de seguridad para la transmisión segura de sus ... -
Genetic diversity and connectivity remain high in Holothuria polii (Delle Chiaje 1823) across a coastal lagoon-open sea environmental gradient
(2010-07-11)Coastal lagoons represent habitats with widely heterogeneous environmental conditions, particularly as regards salinity and temperature, which fluctuate in both space and time. These characteristics suggest that physical ... -
Remote sensing of temperature changes in Panama canal watershed from landsat
(2010-09)La temperatura de superficie es un factor central, como variable de control en los estudios de cambio climático, balance de calor y modelos climáticos. El conocimiento de la temperatura de superficie es importante para ... -
The evolution of the observed Hubble sequence over the past 6GYR
(2010-11-01)During the past years we have confronted serious problems of methodology concerning the morphological and kinematic classification of distant galaxies. This has forced us to create a new simple and effective morphological ... -
Multisensory System for Fruit Harvesting Robots. Experimental Testing in Natural Scenarios and with Different Kinds of Crops
(2010-12-04)The motivation of this research was to explore the feasibility of detecting and locating fruits from different kinds of crops in natural scenarios. To this end, a unique, modular and easily adaptable multisensory system ... -
Google Android y Moodle
(2011-05-17)Integrando Moodle y Android se logra una herramienta de M-learning, lo cual es la última tendencia en educación a distancia. Esto se puede realizar a través de agentes y web services. De los distintos protocolos posibles, ... -
New insights into the properties of pubescent surfaces: the peach fruit (prunus persica batsch) as a model
(2011-06)The surface of peach (Prunus persica ‘Calrico’) is covered by a dense indumentum, which may serve various protective purposes. With the aim of relating structure to function, the chemical composition, morphology, and ... -
Stairway Detection Based on Single Camera by Motion Stereo
(2011-06-28)In this paper we are proposing a method for detecting the localization of indoor stairways. This is a fundamental step for the implementation of autonomous stair climbing navigation and passive alarm systems intended for ... -
Alarm Tree Analysis Using Statistical Techniques
(2011-07-03)This work presents a systematic method for the generation and treatment of the alarms' graphs, being its final object to find the Alarm Root Cause of the Massive Alarms that are produced in the dispatching centers. Although ... -
Model for the Evaluation of Educational Quality Using Virtual Learning Environment
(2011-07-03)This article describes a model for the evaluation of educational quality using a virtual learning environment. This model describes quantitative and qualitative aspects that are based on a set of quality attributes and ... -
Ontological Context-Awareness for Adaptive Augmented Reality
(2011-07-03)This paper presents a proposal for supporting daily user needs by simple interactions with the environment through an augmented-reality perspective and applying proactive adaptation through knowledge representation using ... -
Arquitectura para la creacion de ambientes moviles de recomendación, interaccion y alertas para usuarios de una plataforma de EaD
(2011-07-03)El desarrollo de la computación móvil y su aplicación en la educación, hizo surgir un nuevo enfoque de educación a distancia, denominado aprendizaje móvil (o m-learning), el cual facilita a los estudiantes el aprendizaje ...