Now showing items 377-396 of 410

    • Teaching Software Engineering from a Collaborative Perspective: Some Latin-American Experiences 

      de Clunie, Gisela T.; Giraldo, Fáber D.; Collazos, César A.; Ochoa, Sergio F.; Zapata, Sergio (09/03/2010)
      Teaching software engineering has been recognized as an important challenge for computer science undergraduate programs. Instruction in such area requires not only to deliver theoretical knowledge, but also to perform ...
    • Temporal bounded reasoning for context-based information fusion in DoS attack detection 

      Pinzón Trejos, Cristian; De Paz, Juan; Bajo, Javier; Navarro, Martí; Zato, Carolina; Julián, Vicente (07/26/2010)
      Security is one of the main aspects to take into account when designing and developing web services. A meaning number of mechanisms of attack can lead to a web service system crash. As a result, the web service cannot allow ...
    • Time Division Multiplexing Fibre-Optic Liquid Level Sensors using a Nematic 1x2 Optical Switch 

      Vázquez, Carmen; Vargas, Salvador; Santos, José Luis; Sánchez Pena, José Manuel; montalvo, Julio (09/01/2004)
      In this paper, time division multiplexing with optical switches in a multi-sensor system for level measurements with POF is reported. POF are used in the sensor heads and as transmission media along the optical network. ...
    • Towards Simple Interaction in the Classroom: an NFC Approach 

      Nava-Diaz, Salvador; Chavira, Gabriel; Hervas, Ramon; Villarreal, Vladimir; Bravo, Jose (IADIS International Conference e-Learning 2008IADIS International Conference e-Learning 2008, 01/01/2008)
      In a given environment, distributing different devices with computing capabilities around us opens up new possibilities. It allows simple and easy interaction between user and computer. In this work we propose an approach ...
    • Towards Simple Interaction in the Classroom: an NFC Approach 

      Nava-Díaz, Salvador W.; Chavira, Gabriel; Hervás, Ramón; Villarreal, Vladimir; Bravo, José (2008-06-30)
      In a given environment, distributing different devices with computing capabilities around us opens up new possibilities. It allows simple and easy interaction between user and computer. In this work we propose an approach ...
    • Towards Ubiquitous Mobile Monitoring for Health-Care and Ambient Assisted Living 

      Villarreal, Vladimir; Bravo, Jose; Hervas, Ramon (01/01/2010)
      In this paper, we present a framework that enables patient mobile monitoring by using biometric devices (e.g., glucometers, blood pressure meters) to send data to a mobile phone via technologies such as WiFi, NFC or ...
    • Trenes: material rodante del transporte ferroviario 

      Berbey Álvarez, Aranzazu; Caballero, Rony; Sanz Bobi, Juan de Dios; Brunel, J.; Guerra, K.; Flores, J.; Samaniego, A.; Orozco, W. (2013-07-05)
      Se le conoce como material rodante a todos los tipos de vehículos dotados de ruedas capaces de circular sobre una vía férrea cuyo principal objetivo es transportar diferentes tipos de cargas. Los mismos se pueden clasificar ...
    • Tunable optical filters using compound ring resonators for DWDM 

      Vargas, Salvador; Vázquez, Carmen; Pena, José Manuel; Corredera, Pedro (07/28/2003)
      The device is based on a loop mirror in a ring resonator. The loop mirror allows tuning by changing the coupling coefficient of a directional coupler. The loop mirror is implemented using a Sagnac configuration to have the ...
    • Ubiquitous Computing and Ambient Intelligence—UCAmI 

      Espinilla, Macarena; Villarreal, Vladimir; McChesney, Ian (Sensors — Open Access JournalSensors — Open Access Journal, 09/13/2019)
      The Ubiquitous Computing (UC) idea envisioned by Weiser in 1991 [1] has recently evolved to a more general paradigm known as Ambient Intelligence (AmI) that represents a new generation of user-centred computing environments ...
    • Um Mecanismo para a Integração entre o LMS Moodle e o Site de Redes Sociais Facebook 

      Braz, Lucas M.; Serrão, Tássia; Crespo, Sérgio; de Clunie, Gisela T. (11/25/2011)
      Social networking sites are great tools for aggregating and bringing people together, in the sense that they offer various forms of interaction, provi-ding its participants the ease of communication and the ability to ...
    • Uma arquitetura flexível para promover a integracao entre o moodle e sites de redes sociais 

      Braz, Lucas; Crespo, Sérgio; Serrão, Tássia; Clunie, Gisela (06/06/2013)
      Social networking sites make it possible for Internet users to communicating, sharing, cooperating and expressing their ideas. Also known as SNSs, theywield impressive attraction within its users, who spend several daily ...
    • Un algoritmo de replanificación en tiempo real basado en un índice de estabilidad de Lyapunov para líneas de metro  

      Berbey Álvarez, Aranzazu; Galán, Ramón; San Segundo, Pablo; Sanz Bobi, Juan de Dios (2014-07-06)
      En este trabajo, se propone un nuevo índice basado en el método directo de Lyapunov para el diseño de un algoritmo de reprogramación en tiempo real para líneas de metro. En este estudio se utiliza una versión modificada ...
    • Un Enfoque de Lógica Borrosa para el Modelado de los Flujos de Pasajeros y el Tiempo de Parada 

      Berbey Álvarez, Aranzazu; Caballero, Rony (2012-07-04)
      La estimación del flujo de pasajeros y el tiempo de parada en la estación constituyen importante tareas para la planificación de los sistemas de masivos de pasajeros. Sin embargo, los métodos clásicos son difíciles de ...
    • Una propuesta latinoamericana de colaboración en la enseñanza de la usabilidad del software 

      Giraldo, Fáber D.; Collazos, César; Ochoa, Sergio F.; Aballay, Laura; de Clunie, Gisela T.; Zapata, Sergio; Clunie, Clifton; Lund, María Inés (2010-07-02)
      Este artículo propone un modelo instruccional colaborativo, para la enseñanza de las técnicas más comunes de evaluación de la usabilidad de interfaces de usuario. El modelo facilitó el trabajo colaborativo entre diversas ...
    • Unsupervised Visualization of SQL Attacks by Means of the SCMAS Architecture 

      Herrero, Álvaro; Pinzón Trejos, Cristian; Corchado, Emilio; Bajo, Javier (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 ...
    • Use of wireframes and mockup on the redesign of a university website using the methodology User Centered Design 

      Murillo, Danny; Herrera, Jeremias (Memorias del VII Congreso Iberoamericano de Telemática CITA2015Memorias del VII Congreso Iberoamericano de Telemática CITA2015, 07/01/2015)
      In this paper the results obtained in the redesign of the website of the Technological University of Panama using the methodology, user center design (UCD). In the different technical sections and steps that were used to ...
    • Using a Communication Model to Collect Measurement Data through Mobile Devices 

      Bravo, Jose; Villarreal, Vladimir; Hervas, Ramon; Urzaiz, Gabriel (sensorssensors, 07/05/2012)
      Wireless systems and services have undergone remarkable development since the first mobile phone system was introduced in the early 1980s. The use of sensors in an Ambient Intelligence approach is a great solution in a ...
    • Using a Communication Model to Collect Measurement Data through Mobile Devices 

      Bravo, José; Villarreal, Vladimir; Hervás, Ramón; Urzaiz, Gabriel (07/05/2012)
      Wireless systems and services have undergone remarkable development since the first mobile phone system was introduced in the early 1980s. The use of sensors in an Ambient Intelligence approach is a great solution in a ...
    • Using a TV Set to Show Electron Diffraction 

      Cruz de Gracia, Evgeni S.; Baibich, Mario Norberto (2013-07-05)
      We show the feasibility of constructing a simple set-up to demonstrate the diffraction of electrons starting from a standard TV set. Two concentric rings around a central maxima appears on the screen of the modified TV set ...
    • Using GNG on 3D Object Recognition in Noisy RGB-D data 

      Rangel, José Carlos; Morell, Vicente; Cazorla, Miguel; Orts-Escolano, Sergio; García Rodríguez, José (10/01/2015)
      The object recognition task on 3D scenes is a growing research field that faces some problems relative to the use of 3D point clouds. In this work, we focus on dealing with the noise in the clouds through the use of the ...