Now showing items 1-20 of 39

    • Aceptación y uso de los sistemas e-learning por estudiantes de grado de Ecuador : el caso de una universidad estatal 

      Ramírez Anormaliza, Richard Ivan; Sabaté i Garriga, Ferran; Llinàs Audet, Francisco Javier; Lordan González, Oriol (OmniaScience, 2017)
      Article
      Open Access
      Objeto: El objetivo de esta investigación fue adaptar el Modelo de Aceptación de la Tecnología (TAM) para predecir el uso y la intención de uso de los sistemas e-learning entre los estudiantes de grado de una universidad ...
    • Airline route networks : a complex network approach 

      Lordan González, Oriol (Universitat Politècnica de Catalunya, 2014-04-14)
      Doctoral thesis
      Open Access
      Communication via air routes is an important issue in a world organized around a web-like city network. In this context, the robustness of network infrastructures, e.g. air transport networks, are a central issue in transport ...
    • Analysis of the Chinese Airline Network as multi-layer networks 

      Du, Wen-Bo; Zhou, Xing-Lian; Lordan González, Oriol; Wang, Zhen; Zhao, Chen; Zhu, Yan-Bo (2016-03-23)
      Article
      Open Access
      This paper encapsulates the Chinese Airline Network (CAN) into multi-layer infrastructures via the “k-core decomposition” method. The network is divided into three layers: Core layer, containing airports of provincial ...
    • Analysis of the Chinese provincial air transportation network 

      Du, Wen-Bo; Liang, Bo-Yuan; Hong, Chen; Lordan González, Oriol (2017-01-01)
      Article
      Open Access
      The air transportation system is of a great impact on the economy and globalization of a country. In this paper, we analyze the Chinese air transportation network (ATN) from a provincial perspective via the complex network ...
    • Analyzing the multilevel structure of the European airport network 

      Lordan González, Oriol; Sallán Leyes, José María (2017-04)
      Article
      Open Access
      The multilayered structure of the European airport network (EAN), composed of connections and flights between European cities, is analyzed through the k-core decomposition of the connections network. This decomposition ...
    • Análisis de modelos de ecuaciones estructurales mediante el paquete Lavaan 

      Sallán Leyes, José María; Fernández Alarcón, Vicenç; Simó Guzmán, Pep; Lordan González, Oriol; González Prieto, David (2012)
      Conference lecture
      Open Access
      El análisis de ecuaciones estructurales es una técnica para evaluar modelos con relaciones complejas entre variables (path analysis), así co-mo modelos con variables latentes. Un caso especialmente interesante de aplica-ción ...
    • Cascades tolerance of scale-free networks with attack cost 

      Hong, Chen; Yin, Nai-Yu; He, Ning; Lordan González, Oriol; Sallán Leyes, José María (2017)
      Article
      Open Access
      Network robustness against cascades is a major topic in the fields of complex networks. In this paper, we propose an attack-cost-based cascading failure model, where the attack cost of nodes is positively related to its ...
    • Cascading failures with local load redistribution in interdependent Watts-Strogatz networks 

      Hong, Chen; Zhang, Jun; Du, Wen-Bo; Sallán Leyes, José María; Lordan González, Oriol (2016-11)
      Article
      Open Access
      Cascading failures of loads in isolated networks have been studied extensively over the last decade. Since 2010, such research has extended to interdependent networks. In this paper, we study cascading failures with local ...
    • Casos de ingeniería de organización 

      Sunyer Torrents, Albert; Figueras Jové, Jaume; Guasch Petit, Antonio; García Parra, Mercedes; Fernández Alarcón, Vicenç; Navarro Antúnez, Ramon; Arcusa Postils, Ignasi; Sallán Leyes, José María; Solans Filella, Anna; Gil Vilda, Francisco; Lordan González, Oriol; Simó Guzmán, Pep (OmniaScience (Omnia Publisher S.L.), 2013-07-31)
      Book
      Open Access
      Esta obra presenta una colección de 18 casos que han sido creados como resultado del proyecto de innovación docente “Transversalidad en el diseño curricular del Máster Universitario en Ingeniería de Organización”. El ...
    • Codesharing network vulnerability of global airline alliances 

      Klophaus, Richard; Lordan González, Oriol (2018-05)
      Article
      Open Access
      Global airline alliances provide connectivity based on codesharing agreements between member airlines. An alliance member exit leads to the deletion of routes (if not operated by other members) which affects network ...
    • Consideraciones para el análisis del poder corporativo en Europa: un estudio preliminar 

      Sicilia Espín, Carlos; Simó Guzmán, Pep; Lordan González, Oriol; Sallán Leyes, José María; Fernández Alarcón, Vicenç (2012)
      Conference report
      Open Access
      Esta comunicación trata la cuestión del poder en Europa en el campo de la economía y, específicamente, en el área de las redes corporati-vas. En este estudio preliminar de la red corporativa europea observada a través de ...
    • Core and critical cities of global region airport networks 

      Lordan González, Oriol; Sallán Leyes, José María (2019-01-01)
      Article
      Open Access
      Air transport is one of the key infrastructures of today’s global economy. Connections between airports define airport networks, where nodes are cities served by airports, connected by edges if there is at least one direct ...
    • Cost savings from trajectory deviations in the European air space 

      Carreras Maide, Jaume; Lordan González, Oriol; Sallán Leyes, José María (2020-09)
      Article
      Restricted access - publisher's policy
      Air transport deregulation has lead to an increase of air traffic, together with a reduction of air fares. Air fare reduction has narrowed operational margins of airlines, bringing financial and employment instability. ...
    • Dynamic measures for transportation networks 

      Lordan González, Oriol; Sallán Leyes, José María (Public Library of Science (PLOS), 2020-12-03)
      Article
      Open Access
      Most complex network analyses of transportation systems use simplified static representations obtained from existing connections in a time horizon. In static representations, travel times, waiting times and compatibility ...
    • Effectiveness of the TEI Program for bullying and cyberbullying reduction and school climate improvement 

      Ferrer Cascales, Rosario; Albadalejo Blázquez, Natalia; Sánchez SanSegundo, Miriam; Portilla Tamarit, Irene; Lordan González, Oriol; Ruiz Robledillo, Nicolás (2019-02-16)
      Article
      Open Access
      The increase in the prevalence of bullying and cyberbullying in recent years worldwide is undeniable. Although several intervention programs oriented towards the reduction of bullying and cyberbullying have been developed ...
    • Efficient calculation of the robustness measure R for complex networks 

      Hong, Chen; He, Ning; Lordan González, Oriol; Liang, Bo-Yuan; Yin, Nai-Yu (2017-07-15)
      Article
      Open Access
      In a recent work, Schneider et al. (2011) proposed a new measure R for network robustness, where the value of R is calculated within the entire process of malicious node attacks. In this paper, we present an approach to ...
    • Estudio de la red accionarial de las empresas del IBEX-35 

      Sicilia Espín, Carlos; Simó Guzmán, Pep; Sallán Leyes, José María; Lordan González, Oriol; Fernández Alarcón, Vicenç; González Prieto, David (2012)
      Conference report
      Open Access
      La adquisición de participaciones accionariales de otra empresa puede tener influencia sobre la gestión de ésta. Por otro lado, la ubicación de la sede de las grandes empresas en una comunidad autónoma o, empresas con ...
    • Estudio de las interconexiones entre aerolíneas pertenecientes a una misma alianza aérea mediante técnicas de redes sociales 

      Lordan González, Oriol; Sallán Leyes, José María; Simó Guzmán, Pep; González Prieto, David; Fernández Alarcón, Vicenç (2011)
      Conference report
      Open Access
    • Estudio del actual proceso de reestructuración bancario en España mediante el uso de las consejerías cruzadas 

      Simó Guzmán, Pep; Sicilia Espín, Carlos; Lordan González, Oriol; Fernández Alarcón, Vicenç; González Prieto, David; Sallán Leyes, José María (2012)
      Conference report
      Open Access
      El actual proceso de reestructuración bancario en España está concentrando las entidades financieras mediante fusiones y absorciones. En este contexto, las consejerías cruzadas entre las distintas entidades en proceso de ...
    • Exact calculation of network robustness 

      Lordan González, Oriol; Albareda Sambola, Maria (2019-03)
      Article
      Open Access
      Finding the most critical nodes regarding network connectivity has attracted the attention of many researchers in infrastructure networks, power grids, transportation networks and physics in complex networks. Static ...