Now showing items 181-200 of 484

    • 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 ...
    • Computing Image Descriptors from Annotations Acquired from External Tools 

      Rangel, José Carlos; Cazorla, Miguel; García Varea, Ismael; Martínez Gómez, Jesus; Fromont, Élisa; Sebban, Marc (11/28/2015)
      Visual descriptors are widely used in several recognition and classification tasks in robotics. The main challenge for these tasks is to find a descriptor that could represent the image content without losing representative ...
    • LexToMap: lexical-based topological mapping 

      Rangel, José Carlos; Martínez Gómez, Jesus; García Varea, Ismael; Cazorla, Miguel (11/30/2016)
      Any robot should be provided with a proper representation of its environment in order to perform navigation and other tasks. In addition to metrical approaches, topological mapping generates graph representations in which ...
    • Improving University Quality of Services through Mobile Devices: The Case of the Technological University of Panama 

      Muñoz, Lilia; Villarreal, Vladimir; Sanchez, Alex (12/02/2013)
      Society evolves at a rapid pace, integrates the latest everydays life technologies and squeezes the benefits of innovation. At the same time, universities follow these same steps, creating great possibilities by providing ...
    • Mobile Physical Rehabilitation of Patients through Intelligence Devices 

      Villarreal, Vladimir; Silvera, Abel; Muñoz, Lilia (8th International Conference, UCAmI 2014, Belfast, UK, December 2-5, 2014. Proceedings8th International Conference, UCAmI 2014, Belfast, UK, December 2-5, 2014. Proceedings, 12/02/2014)
      That develop solutions that facilitate the development of therapy from home are a compelling factor in our social environment. In our country mobile technology is important as a support tool in the rehabilitation of people. ...
    • Geoffrey: An Automated Schedule System on a Social Robot for the Intellectually Challenged 

      Rangel, José Carlos; Cruz, Edmanuel; Escalona, Félix; Bauer, Zuria; Cazorla, Miguel; García Rodríguez, José; Martinez Martin, Ester; Gomez Donoso, Francisco (12/02/2018)
      The accelerated growth of the percentage of elder people and persons with brain injury-related conditions and who are intellectually challenged are some of the main concerns of the developed countries. These persons often ...
    • Synthesis of optical filters using microring resonators with ultra-large FSR 

      Vargas, Salvador; Vázquez, Carmen (12/06/2010)
      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 ...
    • Mobile system for medical control of chronic diseases through intelligent devices 

      Villarreal, Vladimir; Hervás, Ramón; Bravo, José; Manzano, Jesús (12/12/2012)
      The ageing of the population is a factor that in the future will increase the percentage of dependent people, given that there is a close relationship between dependence and age. When patients are in a health care environment, ...
    • Lane Surface Identification Based on Reflectance using Laser Range Finder 

      Cáceres Hernández, Danilo; Hyun Jo, Kang; Dung Hoang, Van (12/13/2014)
      In striving to achieve autonomous navigation the problem of guidance is a major difficulty faced by fully autonomous vehicle. In this paper, the authors focus on unconventional methods of identifying lane markings on a ...
    • Lithium-ion battery pack arrays for lifespan enhancement 

      Perez, Aramis; L. Quintero, Vanessa; Rozas, Heraldo; Jimenez, Diego; Jaramillo, Francisco; Orchard, Marcos (2017 CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON)2017 CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON), 12/21/2017)
      Depending on the application, power and energy requirements may differ significantly and, most likely, a single lithium-ion cell will not suffice. Battery packs offer cell interconnections that allow to obtain several ...
    • Frame retransmission using a modified VST-TDMA access protocol in Picocell/WPAN 

      L. Quintero, Vanessa; Estevez, Carlos (2017 IEEE 9th Latin-American Conference on Communications (LATINCOM)2017 IEEE 9th Latin-American Conference on Communications (LATINCOM), 12/28/2017)
      The VST-TDMA access protocol has shown to have many advantages over existing protocols in centralized (star) wireless network architectures. As most data-link layer protocols, it does not have a recovery feature as data ...
    • Recruiting a PRA Team That Works 

      Kohl, Jon; Candanedo, Indra (1997-01)
      In 1949 the world bank sent 14 international advisers to Colombia. These expert in foreign exchange, transportation, industry, agriculture, and others represented the first mission of its kind to attack "underdevelopment" ...
    • Induced Desorption of DDT, DDD, and DDE from a Contaminated Sediment 

      Jafvert, Chad; Vogt, Beth; Fábrega, José (1997-03-01)
      Release profiles of p,p′-DDT, p,p′-DDD, and p,p′-DDE from sediment collected from Indian Creek, Alabama, were measured with a gas purge-induced desorption technique and compared to a model developed in this work. DDT entered ...
    • Enabling NFC technology to public services 

      Villarreal, Vladimir; Bravo, José; Hervás, Ramón; Peña, R; Vergara, M; Nava, SW; Chavira, Gabriel (1997-07-01)
      Ambient Intelligent are usually emerged in contexts like health, education, business and so on. However there are not many researches focusing on social aspects as public administrations. In these kinds of contexts, some ...
    • Modeling Short-Term Soil−Water Distribution of Aromatic Amines 

      Fábrega, José; Li, Hui; Jafvert, Chad; Lee, Linda (1998-12-08)
      The applicability of a distributed parameter model for describing the distribution of aniline and α-naphthylamine between soil and aqueous phases at short contact times was assessed. Mass action equations considered in the ...
    • Novel tuneable filter based on MZ and an amplified ring resonator for OFDM networks 

      Vargas, Salvador; Vázquez, Carmen (1999-11-08)
      A novel reconfigurable fibre based tuneable filter is proposed. The module relies on a cascaded connection of Mach-Zehnders and an amplified fibre ring resonator. MHz range adjustable FHWM bandwidths and high crosstalk are ...
    • Remoção de íons de metais pesados com bentonitas modificadas 

      Tejedor De León , Alexis; Goulart Nunes, Denise; Rubio, Jorge (2001-06-23)
      O presente trabalho apresenta o desenvolvimento de um material sorvente a partir de bentonitas brasileiras modificadas quimicamente com o objetivo de aumentar sua capacidade de sorção de metais pesados e seu valor agregado. ...
    • Adsorption of Cu ions onto a 1.10 phenanthroline-grafted Brazilian bentonite 

      Tejedor De León, Alexis; Goulart Nunes, Denise; Rubio, Jorge (2003-02-01)
      The grafting, by chemical adsorption, of molecular 1.10-phenanthroline (OP) onto some Brazilian bentonite (montmorillonites) was studied to improve their adsorptive capacities to remove Cu ions from synthetic wastewater. ...
    • Vertical Movement of Resonance Hopping Robot with Electric Drive and Simple Control System 

      Montes Franceschi, Héctor; Akinfiev, Teodor; Armada, Manuel (2003-06-01)
      In the paper vertical movements of resonance hopping robot with one leg and electric drive are considered. Special construction of hopping robot with compensation of losses during flight of the robot allows to employ a ...
    • Study of The Corrosion Products Formed on Carbon Steels in The Tropical Atmosphere of Panama 

      Jaén, Juan A.; De Villalaz, M. S.; Araque, L.; Hernández, Cecilio; De Bósquez, A. (2003-06-25)
      Mössbauer spectroscopy and X-ray powder diffraction (in selected samples) have been used to characterize corrosion products on carbon steels after atmospheric exposure to the tropical Panamanian locations of Panama and ...