Visualitzant Departament: Llenguatges i Sistemes Informàtics per títol

Ara mostrant els elements 149-168 d 543

    • openAccess   D2D-based Cooperative Positioning Paradigm for Future Wireless Systems: A Survey 

      Chukhno, Nadezhda; Trilles, Sergio; Torres-Sospedra, Joaquín; Iera, Antonio; ARANITI, Giuseppe Institute of Electrical and Electronics Engineers (2021-07-21)
      Emerging communication network applications require a location accuracy of less than 1m in more than 95% of the service area. For this purpose, 5G New Radio (NR) technology is designed to facilitate high-accuracy continuous ...

    • openAccess   Dante: A Self-Adapting Peer-to-Peer System 

      Cholvi, Vicent; Rodero Merino, Luis; López, Luis; Fernández Anta, Antonio Springer Verlag (2008)
      In this paper we introduce DANTE, an unstructured P2P system in which the topology of the underlying overlay network can be dynamically adapted to the system conditions. Such an adaption is performed by the peers in an ...

    • openAccess   Data Reduction Method for Categorical Data Clustering 

      Sánchez Garreta, Josep Salvador; Rendón, Eréndira; García, Rene A.; Abundez, Itzel; Gutiérrez, Citlalih; Gasca, Eduardo Springer Verlag (2008)
      Categorical data clustering constitutes an important part of data mining; its relevance has recently drawn attention from several researchers. As a step in data mining, however, clustering encounters the problem of large ...

    • openAccess   Data Scarcity or low Representativeness?: What hinders accuracy and precision of spatial interpolation of climate data? 

      Bhowmik, Avit Kumar; Costa, Ana Cristina AGILE Digital Editions (2014-06)
      Data scarcity is a major scientific challenge for accuracy and precision of spatial interpolation of climatic fields, especially in climatestressed developing countries. Methodologies have been suggested for coping up ...

    • openAccess   Data Visualisation For Teachers: How To Read, Interpret And Show Data Correctly 

      Ramos, Jose Francisco; Iskandaryan, Ditsuhi; Koribska, Iva International Academy of Technology, Education and Development (IATED) (2022)
      Nowadays, visual information such as charts, diagrams, infographics and so forth are omnipresent in social media, presentations, online scientific papers, that is, in the digital world. We have all heard the well-known ...

    • closedAccess   Data warehouses for sustainable supply chain management: a reference framework 

      León Soriano, Raúl; Muñoz-Torres, María Jesus Inderscience Enterprises Ltd. (2013)
      This paper presents a reference architecture for information integration in sustainable supply chain management. This architecture aims to provide an integrated information infrastructure across a supply chain. It is ...

    • openAccess   Dealing with inaccurate face detection for automatic gender recognition with partially occluded faces 

      Andreu Cabedo, Yasmina; García-Sevilla, Pedro; Mollineda, Ramón A. Springer Verlag (Germany) (2009)
      Gender recognition problem has not been extensively studied in situations where the face cannot be accurately detected and it also can be partially occluded. In this contribution, a comparison of several characterisation ...

    • openAccess   Dedicación de los estudiantes en un contexto de aprendizaje cooperativo basado en proyectos: medición, análisis e implicaciones 

      Traver Roig, Vicente Javier; Pérez Martínez, Juan Manuel Sociedad de la Educación del IEEE (2009-05)
      Discovering the effort students devote to their studies is of key importance for an appropriate design of courses and syllabus. Although over the last years many studies have been carried out in this respect, few of them ...

    • openAccess   Defining Dynamic Indicators for Social Network Analysis: A Case Study in the Automotive Domain using Twiter 

      Lanza Cruz, Indira Lázara; Berlanga Llavori, Rafael SciTePress (2018-09-18)
      In this paper we present a framework based on Linked Open Data Infrastructures to perform analysis tasks in social networks based on dynamically defined indicators. Based on the typical stages of business intelligence ...

    • openAccess   Deployment of an open sensorized platform in a smart city context 

      Trilles, Sergio; Calia, Andrea; Belmonte-Fernández, Óscar; Torres-Sospedra, Joaquín; Montoliu Colás, Raul; Huerta, Joaquin Elsevier (2017-11)
      The race to achieve smart cities is producing a continuous effort to adapt new developments and knowledge, for administrations and citizens. Information and Communications Technology are called on to be one of the key ...

    • closedAccess   Depth estimation improvement in 3D integral imaging using an edge removal approach 

      Martínez Sotoca, José; Latorre Carmona, Pedro; Espinós-Morató, H.; Pla, Filiberto; Javidi, Bahram Springer (2018)
      A new depth estimation method for 3D reconstruction in a synthetic aperture integral imaging framework is presented. This method removes the edges of the objects in the elemental images when the objects are in focus. This ...

    • openAccess   Depth Estimation in Integral Imaging Based on a Maximum Voting Strategy 

      Martínez Usó, Adolfo; Latorre Carmona, Pedro; Martínez Sotoca, José; Pla, Filiberto; Javidi, Bahram Institute of Electrical and Electronics Engineers (IEEE) (2016-10)
      An approach that uses the scene information acquired by means of a three-dimensional (3D) synthetic aperture integral imaging system is presented. This method generates a depth map of the scene through a voting strategy. ...

    • openAccess   Desarrollo de productos avanzados para la misión SEOSAT/Ingenio 

      Sabater, N.; Ruiz-Verdú, A.; Delegido, J.; Fernandez-Beltran, Ruben; Latorre Carmona, Pedro; Pla, Filiberto; González-Audícana, M.; Álvarez-Mozos, J.; Sola, I.; Villa, G.; Tejeiro, J. A.; De Miguel, E.; Jimenez, M.; Molina, S.; Moreno, J. Asociación Española de Teledetección (2016)
      SEOSAT/Ingenio es la futura misión española de observación de la Tierra en el óptico en alta resolución espacial. Mientras que los productos de imagen a Nivel 1, radiancias geo-referenciadas a nivel de sensor, se encuentran ...

    • openAccess   Descriptions of Spatial Operations -- Recent Approaches and Community Feedback 

      Hofer, Barbara; Brauner, Johannes; Wiemann, Stefan; Jackson, Mike J.; Granell, Carlos; Rodrigues, Amanda; Nuest, Daniel European Commission Joint Research Centre (2015)
      Progress in the technical provision of spatial operations as loosely-coupled interoperable web services requires a corresponding development of standardisation in their description. Operation discovery, usage and interpretation ...

    • openAccess   Design of a multiuser virtual trade fair using a game engine 

      Remolar, Inmaculada; Chover, Miguel; Quirós Bauset, Ricardo; Gumbau Portalés, Jesús; Castelló Boscá, Pascual; Rebollo Santamaría, Cristina; Ramos, Jose Francisco Springer (2011)
      The current world economic situation makes it necessary to develop new ways of establishing commercial relationships. One possible solution is to explore the advantages of virtual worlds, and for this reason online virtual ...

    • openAccess   Design ofthe Data Transformation Architecture forthe INSPIRE Data Model Browser 

      Belussi, Alberto; Migliorini, Sara; Cipriano, Piergiorgio; Negri, Mauro; Pelagatti, Giusseppe AGILE Digital Editions (2014-06)
      The INSPIRE directive requires that inside a Spatial Data Infrastructure (SDI) data are provided using a model compliant with the INSPIRE Data Model (IDM). Therefore, one of the main issues during the implementation of an ...

    • openAccess   Designing Chest X-ray Datasets for Improving Lung Nodules Detection through Convolutional Neural Networks 

      Aceñero Eixarch, Raúl Pedro; Díaz-Usechi Laplaza, Raúl; Berlanga Llavori, Rafael IOS Press (2021)
      In this paper, we propose a method for building alternative training datasets for lung nodule detection from plain chest X-ray images. Our aim is to improve the classification quality of a state-of-the-art CNN by just ...

    • openAccess   Detection of Non-Stationary Photometric Perturbations on Projection Screens 

      Castañeda Garay, Miguel; Díaz Tula, Antonio; Belmonte-Fernández, Óscar Australian Computer Society (2012)
      Interfaces based on projection screens have become increasingly more popular in recent years, mainly due to the large screen size and resolution that they provide, as well as their stereo-vision capabilities. This work ...

    • openAccess   Developing a business intelligence tool for sustainability management 

      Chalmeta, Ricardo; Ferrer Estevez, Maria Emerald (2023-10-13)
      Purpose: Business intelligence (BI) is a combination of computer systems and managerial processes to support decision-making. The balanced scorecard is a kind of business intelligence tool for performance measurement and ...

    • openAccess   Developing a Forest Data Portal to Support Multi-Scale Decision Making 

      McInerney, Daniel; Bastin, Lucy; Díaz Sánchez, Laura; Figueiredo, Carlos A.; Barredo, José I.; San Miguel-Ayanz, Jesús Institute of Electrical and Electronics Engineers (2012)
      Forests play a pivotal role in timber production, maintenance and development of biodiversity and in carbon sequestration and storage in the context of the Kyoto Protocol. Policy makers and forest experts therefore require ...