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Mostrando ítems 92-111 de 414

    • closedAccess   Balancing task- and data-level parallelism to improve performance and energy consumption of matrix computations on the Intel Xeon Phi 

      Dolz, Manuel F.; Igual, Francisco D.; Ludwig, Thomas; Piñuel, Luis; Quintana-Orti, Enrique S. Elsevier (2015-08)
      The emergence of new manycore architectures, such as the Intel Xeon Phi, poses new challenges in how to adapt existing libraries and applications to this type of systems. In particular, the exploitation of manycore ...

    • openAccess   BestOf: an online implementation selector for the training and inference of deep neural networks 

      Barrachina Mir, Sergio; Castelló, Adrián; Dolz, Manuel F.; Tomás, Andrés E. Springer (2022-05-20)
      Tuning and optimising the operations executed in deep learning frameworks is a fundamental task in accelerating the processing of deep neural networks (DNNs). However, this optimisation usually requires extensive manual ...

    • openAccess   Between comments and repeat visit: capturing repeat visitors with a hybrid approach 

      Kim, Jina; Jang, Yeonju; Bae, Kunwoo; Oh, Soyoung; Nam, Jeong Jeong; Park, Eunil; Han, JinYoung; del Pobil, Angel P. Emerald (2021-08-05)
      Purpose Understanding customers' revisiting behavior is highlighted in the field of service industry and the emergence of online communities has enabled customers to express their prior experience. Thus, purpose of this ...

    • closedAccess   Bidirectional transport protocol for teleoperated robots 

      Wirz, Raúl; Marin, Raul; Ferre, Manuel; Barrio, Jorge; Claver, José M.; Ortego, Javier Institute of Electrical and Electronics Engineers (IEEE) (2009-09)
      This paper describes a new Internet transport protocol applied to teleoperated tasks. This protocol, called bidirectional transport protocol (BTP), has demonstrated reliable performance regarding time spent for packet ...

    • openAccess   Biologically-Inspired 3D Grasp Synthesis Based on Visual Exploration 

      Recatalá Ballester, Gabriel; Chinellato, Eris; del Pobil, Angel P.; Mezouar, Youcef; Martinet, Philippe Springer Verlag (2008)
      Object grasping is a typical human ability which is widely studied from both a biological and an engineering point of view. This paper presents an approach to grasp synthesis inspired by the human neurophysiology of ...

    • openAccess   Biosensing and Actuation—Platforms Coupling Body Input-Output Modalities for Affective Technologies 

      Alfaras, Miquel; Primett, William; Umair, Muhammad; Windlin, Charles; Karpashevich, Pavel; Chalabianloo, Niaz; Bowie-DaBreo, Dionne; Sas, Corina; Sanches, Pedro; Höök, Kristina; Ersoy, Cem MDPI (2020)
      Research in the use of ubiquitous technologies, tracking systems and wearables within mental health domains is on the rise. In recent years, affective technologies have gained traction and garnered the interest of ...

    • openAccess   BioUSeR: a semantic-based tool for retrieving Life Science web resources driven by text-rich user requirements 

      Pérez Catalán, María; Berlanga Llavori, Rafael; Sanz, Ismael; Aramburu Cabo, María José BioMed Central (2013)
      Background: OpenmetadataregistriesareafundamentaltoolforresearchersintheLifeSciencestryingtolocate resources. While most current registries assume that resources are annotated with well-structured metadata, evidence shows ...

    • openAccess   BLE-GSpeed: A new BLE- based dataset to estimate user gait speed 

      Sansano-Sansano, Emilio; Aranda Polo, Fernando Jesús; Montoliu Colás, Raul; Alvarez, Fernando J. MDPI (2020-12-07)
      To estimate the user gait speed can be crucial in many topics, such as health care systems, since the presence of difficulties in walking is a core indicator of health and function in aging and disease. Methods for ...

    • closedAccess   Blocked algorithms for the reduction to Hessenberg-triangular form revisited 

      Kagstrom, B.; Kressner, Daniel; Quintana-Orti, Enrique S.; Quintana-Ortí, Gregorio Springer (2008-09)
      We present two variants of Moler and Stewart’s algorithm for reducing a matrix pair to Hessenberg-triangular (HT) form with increased data locality in the access to the matrices. In one of these variants, a careful ...

    • openAccess   Bolonia y la COVID-19. Evidencias sobre la autonomía del estudiantado 

      Ferrandez-Berrueco, Reina; Marqués-Andrés, Mercedes; Ruiz-Bernardo, Paola; Arroyo-Ainsa, Patricia Universitat Politècnica de València (2022)
      En los últimos años, surgen en España serias dudas acerca de si realmente se está potenciando la autonomía del alumnado en las aulas universitarias, tal y como promueve el Espacio Europeo de Educación Superior. La situación ...

    • closedAccess   Can AI be a content generator? Effects of content generators and information delivery methods on the psychology of content consumers 

      Kim, Jina; Shin, Soyeon; Bae, Kunwoo; Oh, Soyoung; Park, Eunil; del Pobil, Angel P. Elsevier (2020)
      Considering the rapidly improving technologies in artificial intelligence (AI), researchers in masscommunication and journalism have paid attention to the use of AI technologies. However, thereare still notable concerns ...

    • openAccess   Can Large Educational Institutes Become Free from Grid Systems? Determination of Hybrid Renewable Energy Systems in Thailand 

      Park, Eunil; Kwon, Sang Jib; del Pobil, Angel P. MDPI (2019-06-05)
      In some countries, renewable energy resources have become one of the mainstreams of energy savings and sustainable development. Thailand is one of the major countries to use renewable energy generation facilities in public ...

    • closedAccess   Categorizing paintings in art styles based on qualitative color descriptors, quantitative global features and machine learning (QArt-Learn) 

      Falomir, Zoe; Museros, Lledó; Sanz, Ismael; Gonzalez Abril, Luis Elsevier (2018-05)
      The QArt-Learn approach for style painting categorization based on Qualitative Color Descriptors (QCD), color similarity (SimQCD), and quantitative global features (i.e. average of brightness, hue, saturation and lightness ...

    • openAccess   Characterizing the efficiency of multicore and manycore processors for the solution of sparse linear systems 

      Aliaga Estellés, José Ignacio; Barreda Vayá, Maria; Dufrechou, Ernesto; Ezzatti, Pablo; Quintana-Orti, Enrique S. Springer Berlin Heidelberg (2015-09)
      We analyze the efficiency of servers equipped with state-of-the-art general-purpose multicore processors as well as platforms based on accelerators such as graphics processing units (GPUs) and the Intel Xeon Phi. Following ...

    • closedAccess   CLIN-IK-LINKS: A platform for the design and execution of clinical data transformation and reasoning workflows 

      Maldonado, Jose Alberto; Marcos, Mar; Fernández-Breis, Jesualdo Tomás; Giménez-Solano, Vicente Miguel; Legaz-García, María del Carmen; Martínez-Salvador, Begoña (2020-12)
      Background and Objective: Effective sharing and reuse of Electronic Health Records (EHR) requires technological solutions which deal with different representations and different models of data. This includes information ...

    • openAccess   Collaborative Indoor Positioning Systems: A Systematic Review 

      Pascacio, Pavel; Casteleyn, Sven; Torres-Sospedra, Joaquín; Lohan, Elena Simona; Nurmi, Jari MDPI (2021)
      Research and development in Collaborative Indoor Positioning Systems (CIPSs) is growing steadily due to their potential to improve on the performance of their non-collaborative counterparts. In contrast to the outdoors ...

    • closedAccess   Color and texture analysis using emerging parallel architectures 

      Igual, Francisco D.; Mayo, Rafael; Hartley, Timothy; Çatalyürek, Ümit V.; Ruiz, Antonio; Ujaldon, Manuel SAGE Publications (2011-11)
      While image texture is effective for use in pattern-recognition and image-analysis algorithms, textural features are time-consuming to calculate on standard CPUs. Therefore, we present novel implementations of textural-feature ...

    • openAccess   Color image registration under illumination changes 

      Montoliu Colás, Raul; Latorre Carmona, Pedro; Pla, Filiberto Springer Verlag (Germany) (2009)
      The estimation of parametric global motion has had a significant attention during the last two decades, but despite the great efforts invested, there are still open issues. One of the most important ones is related to ...

    • openAccess   Communication in task-parallel ILU-preconditioned CG solversusing MPI + OmpSs 

      Aliaga Estellés, José Ignacio; Barreda Vayá, Maria; Flegar, Goran; Bollhöffer, Matthias; Quintana-Orti, Enrique S. Wiley (2017-11-10)
      We target the parallel solution of sparse linear systems via iterative Krylov subspace–based methods enhanced with incomplete LU (ILU)-type preconditioners on clusters of multicore processors. In order to tackle large-scale ...

    • openAccess   Comparing the Performance of Indoor Localization Systems through the EvAAL Framework 

      Potortì, Francesco; Park, Sangjoon; Jimenez Ruiz, Antonio Ramon; Barsocchi, Paolo; GIROLAMI, MICHELE; Crivello, Antonino; Lee, So-Yeon; Lim, Jae Hyun; Torres-Sospedra, Joaquín; Seco, Fernando; Montoliu Colás, Raul; Mendoza-Silva, Germán Martín; María del Carmen, Pérez Rubio; Cristina, Losada Gutiérrez; Espinosa, Felipe; Macias-Guarasa, Javier MDPI (2017)
      In recent years, indoor localization systems have been the object of significant research activity and of growing interest for their great expected social impact and their impressive business potential. Application areas ...