Ara es mostren els items 5690-5709 de 90077

  • An analysis of factors used in search engine ranking 

    Bifet Figuerol, Albert Carles; Castillo, Carlos; Chirita, Paul-Alexandru; Weber, Ingmar (2005-09)
    Report de recerca
    Accés obert
    This paper investigates the influence of different page features on the ranking of search engine results. We use Google (via its API) as our testbed and analyze the result rankings for several queries of different categories ...
  • An analysis of factors used in search engine ranking 

    Bifet Figuerol, Albert Carles; Castillo, Carlos; Chirita, Paul-Alexandru; Weber, Ingmar (2005)
    Text en actes de congrés
    Accés obert
    This paper investigates the influence of different page features on the ranking of search engine results. We use Google (via its API) as our testbed and analyze the result rankings for several queries of different categories ...
  • An Analysis of incentives mechanisms and evaluation on BitTorrent 

    Serra Pàmies, David (Universitat Politècnica de Catalunya, 2013-11-05)
    Projecte Final de Màster Oficial
    Accés obert
    Since the first peer-to-peer communities appeared, their number of users has increased considerably owing to the benefits they offer compared to their alternative architectures in the sharing and distribution of multimedia ...
  • An analysis of JOTSE evolution 

    Amante García, Beatriz; Martínez Martínez, María del Rosario (OmniaScience, 2015-03)
    Article
    Accés obert
  • An Analysis of Memory Based Collaborative Filtering Recommender Systems with Improvement Proposals 

    Levinas, Claudio Adrian (Universitat Politècnica de Catalunya, 2014-09-15)
    Projecte Final de Màster Oficial
    Accés obert
    Memory Based Collaborative Filtering Recommender Systems have been around for the best part of the last twenty years. It is a mature technology, implemented in nu- merous commercial applications. However, a departure ...
  • An analysis of MYCIN-like expert systems 

    Hajek, Petr; Valdés Ramos, Julio José (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 1994)
    Article
    Accés obert
    The paper is a review of our theoretical analysis of uncertainty processing in a broad class of truth-functional expert systems similar to MYCIN and PROSPECTOR, main attention being paid to parallel combination of rules. ...
  • An analysis of paperclip arbitrage 

    Cabanillas Barbacil, David Conrado; Willmott, Steven Nicolás; Cortés García, Claudio Ulises (2007-12)
    Report de recerca
    Accés obert
    While bartering is arguably the world's oldest form of trade there are still many instances where it surprises us. One such case is the remarkable story of Kyle MacDonald who, by means of a sequence of bartering exchanges ...
  • An analysis of pollution risk on the Spanish Mediterranean coast 

    Esparza, Amable V.; Martínez de Osés, Francesc Xavier (2010-07-30)
    Article
    Accés restringit per política de l'editorial
    Pollution from shipping traffic poses a real risk to the Spanish coast. Memories of the Fedra bulk carrier disaster in the Strait of Gibraltar, the Prestige sinking in Finisterre or the Castor near accident off Almeria ...
  • An analysis of Regenerator Placement strategies for a Translucent OBS network architecture 

    Pedrola Escribà, Òscar; Careglio, Davide; Klinkowski, Miroslaw; Solé Pareta, Josep (2010-09-28)
    Report de recerca
    Accés obert
    Most research works in optical burst switching (OBS) networks do not take into account the impact of physical layer impairments (PLIs) either by considering fully transparent (i.e., using optical 3R regeneration) or opaque ...
  • An analysis of selection sort using recurrence relations 

    Ferri, Francesc J.; Albert, Jesús V. (Institut d'estadística de Catalunya, 1996)
    Article
    Accés obert
    This paper presents a method for obtaining the expected number of data movements executed by the well-known Selection sort algorithm along with its corresponding variance. The approach presented here requires hardly any ...
  • An Analysis of Space-Time codes/channel codes combination 

    Carrasco Reyes, Rocío (Universitat Politècnica de Catalunya, 2014-09-12)
    Projecte/Treball Final de Carrera
    Accés obert
    [ANGLÈS] In wireless communications are used several techniques to improve the reliability of transmitted data. Space-time coding technique (as Alamouti scheme) is one of them. This technique does not necessarily lead to ...
  • An analysis of the aerodynamic performances of an ancient Spanish windmill 

    Sanchez Gil, Eva (Universitat Politècnica de Catalunya, 2014-07-11)
    Treball Final de Grau
    Accés restringit per decisió de l'autor
    The windmill generates power by extracting part of the kinetic energy of the wind, and it was aimed to satisfy the basic needs on XVIII and XIX century in Southern Spain. Wind power has been used as long as humans have put ...
  • An analysis of the design and assembly of the AAR tri-axial machine 

    Stokes, Jonathan (Universitat Politècnica de Catalunya, 2011-06-21)
    Tesina
    Accés obert
    The following work is an analysis of the design and reassembly of a tri-axial machine in the laboratory at UPC designed to test the expansive alkali-silica reactions that can occur in concrete under various conditions. The ...
  • An analysis of the perceived difficulties arising during the process of integrating management systems 

    Abad Puente, Jesús; Ricardo-Cabrera, Henrry; Medina-León, Alberto (OmniaScience, 2016-10)
    Article
    Accés obert
    Purpose: This study empirically scrutinises the difficulties that result from the integration of management systems and analyses the role of strategic actions and organisational factors on the difficulties-integration ...
  • An analysis of the perceived difficulties arising during the process of integrating management systems 

    Abad Puente, Jesús; Cabrera, Henrry Ricardo; Medina, Alberto (Universitat Politècnica de Catalunya. Departament d'Organització d'Empreses (OE), 2016)
    Article
    Accés obert
    Purpose: This study empirically scrutinises the difficulties that result from the integration of management systems and analyses the role of strategic actions and organisational factors on the difficulties-integration ...
  • An analysis of Twitter corpora and the differences between formal and colloquial tweets 

    González Bermúdez, Meritxell (CEUR-WS.org, 2015)
    Text en actes de congrés
    Accés obert
    This work reviews recent publications addressing the Twitter translation task, and highlights the lack of appropriate corpora that represents the colloquial language used in Twitter. It also discusses the most well-know ...
  • An analysis of two-phase flows in conditions relevant to microgravity 

    Arias Calderón, Santiago (Universitat Politècnica de Catalunya, 2011-09-23)
    Tesi
    Accés obert
    Promising technological applications of two-phase flows in space have captured the increasing interest of the space sector, provoking a strong demand for more fundamental knowledge. Great efforts have been made in recent ...
  • An analysis pattern for electronic marketplaces 

    Queralt Calafat, Anna; Teniente López, Ernest (2004-02)
    Report de recerca
    Accés obert
    An electronic marketplace supports the interaction among different users to exchange information about products to sell and buy. Significance of electronic marketplaces is given by the huge amount of web sites that are ...
  • An analytic-numerical method of computation of the Liapunov and period constants derived from their algebraic structure 

    Gasull Embid, Armengol; Guillamon Grabolosa, Antoni; Mañosa Fernández, Víctor (1996)
    Article
    Accés obert
    We consider the problem of computing the Liapunov and the period constants for a smooth differential equation with a non degenerate critical point. First, we investigate the structure of both constants when they are ...
  • An analytical approach to codimension-2 sliding bifurcations in the dry friction oscillator 

    Martínez-Seara Alonso, M. Teresa; Guàrdia Munarriz, Marcel; Hogan, S. John (2010)
    Article
    Accés restringit per política de l'editorial
    In this paper, we analytically consider sliding bifurcations of periodic orbits in the dry-friction oscillator. The system depends on two parameters: F, which corresponds to the intensity of the friction, and ω, the ...