Ara es mostren els items 1954-1973 de 99644

  • A cognitive management framework for spectrum selection 

    Bouali, Faouzi; Sallent Roig, José Oriol; Pérez Romero, Jordi; Agustí Comes, Ramon (2013-10-04)
    Article
    Accés restringit per política de l'editorial
    To increase cognitive radio (CR) operation efficiency, there has been an interest in enhancing the awareness level of spectrum utilization. In this context, this paper builds a new cognitive management functional architecture ...
  • A collaborative knowledge management framework for supply chains: a UML-based model approach 

    Hernández, Jorge Esteban; Poler Escoto, Raúl; Mula, Josefa; Peidro, David (School of Industrial and Aeronautic Engineering of Terrassa (ETSEIAT). Universitat Politècnica de Catalunya (UPC), 2008-12)
    Article
    Accés obert
    In the most general cases, collaborative activities imply a distributed decision-making process which involves several supply chain nodes. In this paper, by means of a literature review, and by also considering the ...
  • A collaborative protocol for anonymous reporting in vehicular ad hoc networks 

    Tripp Barba, Carolina; Urquiza Aguiar, Luis; Aguilar Igartua, Mónica; Parra Arnau, Javier; Rebollo Monedero, David; Forné Muñoz, Jorge; Pallarès Segarra, Esteve (Elsevier, 2013-11-01)
    Article
    Accés restringit per política de l'editorial
    Vehicular ad hoc networks (VANETs) have emerged to leverage the power of modern communication technologies, applied to both vehicles and infrastructure. Allowing drivers to report traffic accidents and violations through ...
  • A Collaborative Protocol for Private Retrieval of Location-Based Information 

    Rebollo Monedero, David; Forné Muñoz, Jorge; Subirats Maté, Laia; Solanas, Agustí; Martínez-Ballasté, Antoni (IADIS Press, 2009)
    Comunicació de congrés
    Accés obert
    Privacy and security are paramount for the proper deployment of location-based services (LBSs). We present a novel protocol based on user collaboration to privately retrieve location-based information from an LBS provider. ...
  • A collection of resources for the study of educational reverse engineering activities in engineering design education 

    Calderón Saldierna, Marco Lino (Universitat Politècnica de Catalunya, 2015-12-23)
    Tesi
    Accés obert
    Educational Reverse Engineering Activities referred to as the acronym -EREA- help engineering design students to: Acquire and develop a set of abilities that raise their awareness of the design process; expand their sources ...
  • A collective intelligence approach for building student's trustworthiness profile in online learning 

    Miguel, Jorge; Caballé Llobet, Santiago; Xhafa Xhafa, Fatos; Prieto, Josep; Barolli, Leonard (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Text en actes de congrés
    Accés obert
    Information and communication technologies have been widely adopted in most of educational institutions to support e-Learning through different learning methodologies such as computer supported collaborative learning, which ...
  • Acolorit semiautomàtic de seqüències d'animació tradicional 

    Iborra Olba, Daniel (Universitat Politècnica de Catalunya, 2007-06-14)
    Projecte/Treball Final de Carrera
    Accés obert
  • A column generation approach for large-scale RSA-based network planning 

    Ruiz Ramírez, Marc; Zotkiewicz, Mateusz; Velasco Esteban, Luis Domingo; Comellas Colomé, Jaume (Institute of Electrical and Electronics Engineers (IEEE), 2013)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    In flexgrid-based optical networks, the problem of finding optimal route and spectrum allocation (RSA) for the demands in a traffic matrix becomes harder to solve than similar problems in fixed DWDM networks, mainly due ...
  • A combination of the Knapsack algorithm and MIVES for choosing optimal temporary housing site locations: a case study in Tehran 

    Pons Valladares, Oriol; Fuente Antequera, Albert de la; Hosseini, Seyed Mohammad Amin (Elsevier, 2017-10-13)
    Article
    Accés obert
    In the aftermath of natural disasters, decision-makers often clash when tackling the challenge of choosing suitable temporary housing unit (THU) site locations. Site location considerably impacts temporary housing (TH) ...
  • A Combinatorial Approach to Nonlocality and Contextuality 

    Acin, Antonio; Fritz, Tobias; Leverrier, Anthony (Springer, 2015-03-01)
    Article
    Accés obert
    So far, most of the literature on (quantum) contextuality and the Kochen– Specker theorem seems either to concern particular examples of contextuality, or be considered as quantum logic. Here, we develop a general formalism ...
  • A combinatorial method for the evaluation of yield of fault-tolerant systems-on-chip 

    Suñé, Víctor; Rodríguez Montañés, Rosa; Carrasco, Juan A.; Munteanu, D-P (2003)
    Text en actes de congrés
    Accés obert
    In this paper we develop a combinatorial method for the evaluation of yield of fault-tolerant systems-on-chip. The method assumes that defects are produced according to a model in which defects are lethal and affect given ...
  • A Combined Clinical and Langmuir Film Study of Natural Tear Films 

    Guaus Guerrero, Ester; Fàbregas, Carla; Pérez, Miriam; Torrent Burgués, Juan (2017-03-09)
    Article
    Accés obert
    The Langmuir technique has been applied to the study of natural tears and the results obtained from surface pressure-area isotherms have been correlated with those of clinical tests (the Schirmer and the TFBUT tests). The ...
  • A combined implicit-explicit algorithm in time for non-linear finite element analysis 

    Curiel Sosa, José Luis; de Souza Neto, E.; Owen, D. R. J. (2006-01)
    Article
    Accés obert
    An algorithm combining the numerical execution in time of implicit and explicit methods of solution is presented in this paper. The algorithm swaps between both methods as required for the analysis. The whole mesh is solved ...
  • A combined inventory routing and game theory approach for a real-world distribution problem 

    Mateo Doll, Manuel; Aghezzaf, El-Houssaine; Vinyes Vila, Pau (2009-07-06)
    Text en actes de congrés
    Accés obert
    In this paper, we develop a solution approach combining inventory routing and game theory and discuss it application to solve a real-world distribution and logistics problem. The problem consists of developing a distribution ...
  • A combined methodology of adaptive neuro-fuzzy inference system and genetic algorithm for short-term energy forecasting 

    Kampouropoulos, Konstantinos; Andrade Rengifo, Fabio; García Espinosa, Antonio; Romeral Martínez, José Luis (2014-02)
    Article
    Accés obert
    This document presents an energy forecast methodology using Adaptive Neuro-Fuzzy Inference System (ANFIS) and Genetic Algorithms (GA). The GA has been used for the selection of the training inputs of the ANFIS in order to ...
  • A combined polling and ISMA-DS/CDMA protocol to provide QoS in packet mobile communications systems 

    Pérez Romero, Jordi; Agustí Comes, Ramon; Sallent Roig, José Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2000)
    Text en actes de congrés
    Accés obert
    This paper presents a new mechanism that combines the flexibility of an access protocol such as ISMA-DS/CDMA with the ability of a polling mechanism to provide a specific bound for the access delay. This protocol is proposed ...
  • A combined rh-adaptive scheme based on domain subdivision. Formulation and linear examples 

    Askes, Harm; Rodríguez Ferran, Antonio (Wiley and Sons, 2001-09)
    Article
    Accés obert
    An adaptive scheme is proposed in which the domain is split into two subdomains. One subdomain consists of regions where the discretization is refined with an h-adaptive approach, whereas in the other subdomain node ...
  • A combined scheduling reactive scheduling strategy to minimize the effect of process operations uncertainty in batch plants 

    Sanmartí, E; Huercio Berenguer, Albert; Espuña Camarasa, Antonio; Puigjaner Corbella, Lluis (Pergamon Press, 1996)
    Article
    Accés restringit per política de l'editorial
    This paper deals with production scheduling of multipurpose batch chemical plants under uncertainty. The uncertainty associated with process operations causes that production can not be carried out exactly as scheduled. ...
  • A combined spectral-parabolic equation approach for propagation prediction in tunnels 

    Izquierdo Fernandez, Benjamin; Alonso, Javier; Capdevila Cascante, Santiago; Romeu Robert, Jordi (2010)
    Text en actes de congrés
    Accés obert
    Several techniques can be used to study electromagnetic propagation in tunnels. A combination of two of such techniques is presented in this paper to model propagation inside a rectangular tunnel. They are combined in ...
  • A combined study of expansive and tensile strength evolution of mortars under sulfate attack: implications on durability assessment 

    Akpinar, Pinar; Casanova Hormaechea, Ignasi (2010-03-04)
    Article
    Accés obert
    En este trabajo se presenta un estudio combinado de la evolución de la expansión y resistencia a tracción de cementos Portland con contenidos variables de C3A. Esta aproximación ha demostrado ser útil en el diagnóstico ...