Browsing Investigación by Title

Now showing items 302-321 of 474

    • Modelo Agro Tecnológico de Trazabilidad para las Pequeñas y Medianas Empresas (PYMES) en Panamá 

      Pérez, Luiyiana Del Carmen; Miguelena, Ramfis; Diallo, Abdoulaye F. (2013-07-05)
      La trazabilidad, es un requisito indispensable en la cadena de suministro, y que deberá cumplir el sector productivo agroalimenticio de Panamá. Este artículo pretende, introducir al lector, cómo la trazabilidad ha influenciado ...

    • Modèles 2-D MA pour les champs non déterministes et la décomposition de textures de type Wold 

      Merchán, Fernando; Turcu, Flavius; Najim, Mohamed (2007-06-29)
      Nous proposons une nouvelle méthode pour l'estimation de paramètres d'un modèle 2-D MA infini tronqué associé aux champs stationnaires non déterministes. Cette méthode est développée dans le cadre d'approches d'analyse et ...

    • MoMo: A Framework Proposal for Patient Mobile Monitoring 

      Villarreal, Vladimir; Bravo, José; Hervás, Ramón (2004-07-02)
      In this paper, a patient mobile monitoring enabling framework is presented. To this end, biometric devices (e.g. glucometers, blood pressure meters) are used to send data to the mobile phone via technologies such as NFC ...

    • Monitoring Architecture to collect measurement data and medical patient control through mobile devices 

      Villarreal, Vladimir; Urzaiz, Gabriel; Hervas, Ramon; Bravo, Jose (5th International Symposium on Ubiquitous Computing and Ambient Intelligence - UCAmI 20115th International Symposium on Ubiquitous Computing and Ambient Intelligence - UCAmI 2011, 01/01/2011)
      Patients constant monitoring is considered one of the most relevant aspects in healthcare. The development of a framework to communicate information between mobile and biometric devices allows constant monitoring of the ...

    • Monitoring of Levels Moisture Soil Based on Electroresistive Methods: Case of the Gamboa Area, Panama Canal 

      Díaz, Irving; Mojica, Alexis; Ho, Carlos A. (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: ...

    • Morphological Characterization of Brazilian Organ Clays Using AFM and SEM Studies 

      Tejedor De León, A.; Navarro, G.; Rubio, J. (2013-05)
      A combination of SEM (Scanning Electron Microscopy) and AFM (Atomic Force Microscopy) techniques was used to characterise the morphology of Brazilian montmorillonites before and after intercalation of some organic compounds. ...

    • Multi-layer perceptrons to reduce ground reflection effect in real-time locating systems 

      Tapia, Dante; De Paz, Juan; Pinzón Trejos, Cristian; Bajo, Javier; Alonso, Ricardo; Corchado, Juan (01/26/2012)
      Nowadays, indoor Real-Time Locating Systems represent one of the most exciting applications based on Wireless Sensor Networks using wireless technologies such as Wi-Fi or ZigBee. Indoor Real-Time Locating Systems based on ...

    • Multi-sensor system using plastic optical fibers for intrinsically safe level measurements 

      Vargas, Salvador; montalvo, Julio; Gonzalo, Ana; Vázquez, Carmen (10/04/2004)
      A system for measuring liquid level in multiple tanks using optical fiber technology has been developed. Oil field service industry or any sector requiring liquid level measurements in flammable atmospheres can be benefited ...

    • A Multiagent Based Strategy for Detecting Attacks in Databases in a Distributed Mode 

      Pinzón Trejos, Cristian; De Paz, Yanira; Bajo, Javier (2009-07-01)
      This paper presents a distributed hierarchical multiagent architecture for detecting SQL injection attacks against databases. It uses a novel strategy, which is supported by a Case-Based Reasoning mechanism, which provides ...

    • A Multiagent Solution to Adaptively Classify SOAP Message and Protect against DoS Attack 

      Pinzón Trejos, Cristian; De Paz, Juan; Bajo, Javier; Corchado, Juan (11/09/2009)
      SOAP messages use XML code, which makes them vulnerable to denial of service (DoS) attacks and puts the availability of web services at risk. This article presents an adaptive solution for dealing with DoS attacks in web ...

    • Multiagent System for Semantic Categorization of Places Mean the Use of Distributed Surveillance Cameras 

      Rangel, José Carlos; Pinzón, Cristian (01/09/2019)
      Surveillance systems are quite common in almost every building. The current dimension of these systems is huge and involves a great deal of hardware and human resources for achieving these objectives. This paper proposes ...

    • Multisensory System for Fruit Harvesting Robots. Experimental Testing in Natural Scenarios and with Different Kinds of Crops 

      Montes Franceschi, Héctor; Fernández, Roemi; Salinas, Carlota; Sarria, Javier (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 ...

    • New insights into the properties of pubescent surfaces: the peach fruit (prunus persica batsch) as a model 

      Fernández, Victoria; Khayet, Mohamed; Montero Prado, Pablo; Heredia Guerrero, Alejandrio; Liakopulos, Georgios; Karabourniotis, George; del Río, Víctor; Domínguez, Eva; Tacchini, Ignacio; Nerín, Csritian¡a; Heredia, Antonio (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 ...

    • A New Methodology for Massive Alarm Management System in Electrical Power Administration 

      Aizpurúa, Omar; Caballero, Rony; Galán, Ramón; Jiménez, Agustín (2009-07-01)
      The paper presents a methodology that integrates several available techniques to manage the massive amount of alarm signals in electrical power dispatch control centers, as well as the contribution of each entity involved ...

    • New optical filter employing multireflection mirror to provide design flexibility for WDMA 

      Vargas, Salvador; Vázquez, Carmen (2008-06-22)
      A novel optical device employing an amplified ring resonator and a multireflecting mirror inside, is presented. Is founded its transfer function. Also simple expressions for the separation of the two maximums of this novel ...

    • An NFC approach for nursing care training 

      Fontecha, Jesus; Hervas, Ramon; Bravo, Jose; Villarreal, Vladimir (02/22/2011)
      Nowadays there is a need to improve the life quality of people in different social environments. One of the main fields to propose new improvements is healthcare. In this kind of scenario, health workers are doing a very ...

    • NFC Approach: Towards a Simple Interaction 

      Nava-Díaz, Salvador W.; Chavira, Gabriel; Hervás, Ramón; Villarreal, Vladimir; Bravo, José; Martón, Sergio; Castro, Manuel (2009-07-01)
      Nowadays, there are devices with great computing capabilities and these in different places around us. This technology opens us new possibilities and allows us the simple and easy interaction between user and computer. We ...

    • NFC Approach: Towards a Simple Interaction 

      Nava-Diaz, Salvador; Chavira, Gabriel; Hervas, Ramon; Villarreal, Vladimir; Bravo, Jose; Martin, Sergio; Castro, Manuel (01/01/2009)
      Nowadays, there are devices with great computing capabilities and these in different places around us. This technology opens us new possibilities and allows us the simple and easy interaction between user and computer. We ...

    • NFC en Contextos Asistenciales: Un Complemento a la Enfermedad de Alzheimer 

      Bravo, Jose; Peña, Rocio; Casero, Gregorio; Fuentes, Carmen; Hervas, Ramon; Vergara, Marcos; Nava, Salvador; Villarreal, Vladimir; Chavira, Gabriel (2as Jornadas Científicas sobre RFID2as Jornadas Científicas sobre RFID, 11/05/2008)
      Los enfermos de Alzheimer requieren una gran atención por parte de los cuidadores, que no pueden distraerse ni un solo segundo para escribir los incidentes que van ocurriendo en la jornada diaria. Por esta razón, toda ...

    • Nitrous Oxide Fluxes from a Commercial Beef Cattle Feedlot in Kansas 

      A. Aguilar, Orlando; Maghirang, Ronaldo; W. Rice, Charles (2014-03-10)
      Emission of greenhouse gases, including nitrous oxide (N2O), from open beef cattle feedlots is becoming an environmental concern; however, research measuring emission rates of N2O from open beef cattle feedlots has been ...