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    • A model for data enrichment over IoT streams at edges of internet 

      Van Hille, Reinout; Xhafa Xhafa, Fatos; Hellinckx, Peter (Springer, 2018)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper some issues related to the efficiency of processing IoT data are addressed through semantic data enrichment and edge computing. The aim is to cope with big data streams at various levels, from the lowest level ...

    • A model for designing a procurement-inventory system as a defence against a recurring epidemic 

      Corominas Subias, Albert (2021-05-06)
      Article
      Accés obert
      The COVID-19 pandemic has caused a general shortage of personal protection products and therapeutic devices, which has highlighted the need for each country to have its own production resources and not depend solely on ...

    • A model for estimating the impact of the domino effect on accident frequencies in quantitative risk assessments of storage facilities 

      Bernechea, Esteban; Vílchez Sánchez, Juan Antonio; Arnaldos Viger, Josep (2013-11)
      Article
      Accés restringit per política de l'editorial
      It is well known that the domino effect can have a major impact on accidents in storage facilities, as it can increase the consequences of an initial event considerably. However, quantitative risk assessments (QRAs) do not ...

    • A model for grain-size sorting over tidal sand ridges 

      Walgreen, M; de Swart, Huib E.; Calvete Manrique, Daniel (2004-07)
      Article
      Accés restringit per política de l'editorial
      A model was developed and analyzed to quantify the effect of graded sediment on the formation of tidal sand ridges. Field data reveal coarse (fine) sediment at the crests (in the troughs), but often phase shifts between ...

    • A model for Janus and Epimetheus 

      Olivé Farga, David (Universitat Politècnica de Catalunya, 2015-10)
      Treball Final de Grau
      Accés obert
      In this work we present a model that tries to fit the behaviour of Janus and Epimetheus, two co-orbital moons of Saturn. This has been done before using the model for the two-dimensional restricted three-body problem, and ...

    • A model for non-free circle actions 

      Roig Martí, Agustín; Saralegi-Aranguren, Martintxo (1997)
      Article
      Accés obert
      Let $\Phi: \Bbb S^{1}\times M\longrightarrow M$ be a smooth action of the unit circle $\Bbb S^{1}$ on a manifold $M$. In this work, we compute the minimal model of $M$ in terms of the orbit space $B$ and the fixed point ...

    • A model for opinion agreement and confidence in multi-expert multi-criteria decision making 

      Canfora, Gerardo; Troiano, Luigi (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 2004)
      Article
      Accés obert
      In multi-expert multi-criteria decision making problems, we often have to deal with different opinions, different importance of criteria and experts, missing data, unexpressed opinions and experts who are not fully ...

    • A model for photocurrent generation in photoconductive antennas 

      López Menchón, Héctor; Revuelta Martinez, Sergio; Santos Blanco, M. Concepción; Romeu Robert, Jordi; Rius Casals, Juan Manuel (2019)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      The laser-induced current carrier generation and transport under large biasing voltages in photoconductive materials located in electrode gap region of photoconductive antennas is a complex process involving many different ...

    • A model for predicting the specific energy consumption of HSM of AISI 316L using ANN 

      Pérez Rodríguez, Roberto; Hernández González, Luis Wilfredo; Curra Sosa, Dagnier; Zambrano Robledo, Patricia del Carmen; Zayas Figueras, Enrique Ernesto; de la Rosa Melian, Julio Ernesto (2021-02-09)
      Capítol de llibre
      Accés obert
      This work presents a model for predicting the specific energy consumption (SEC) of HSM of AISI 316L, using an ANN (Artificial Neural Network). The characteristics of material-cutting power and influence of the cutting ...

    • A model for providing emotion awareness and feedback using fuzzy logic in online learning 

      Arguedas, Marta; Xhafa Xhafa, Fatos; Casillas, Luis; Daradoumis, Thanasis; Peña, Adriana; Caballé Llobet, Santiago (Springer, 2016-10-20)
      Article
      Accés obert
      Monitoring users’ emotive states and using that information for providing feedback and scaffolding is crucial. In the learning context, emotions can be used to increase students’ attention as well as to improve memory and ...

    • A model for railway induced ground vibrations in the frame of preliminary assessment studies 

      Arcos Villamarín, Robert (Universitat Politècnica de Catalunya, 2007-07-13)
      Tesi
      Accés obert
      This thesis focuses on the development of an analytical model for the generation and propagation parts of a global model of ground induced vibrations to be used in preliminary assessment studies for the case of at-grade ...

    • A model for revocation forecasting in public-key infrastructures 

      Hernández Gañan, Carlos; Mata Diaz, Jorge; Muñoz Tapia, José Luis; Esparza Martín, Óscar; Alins Delgado, Juan José (2015-05-01)
      Article
      Accés obert
      One of the hardest tasks of a certification infrastructure is to manage revocation. This process consists in collecting and making the revocation status of certificates available to users. Research on this topic has focused ...

    • A model for rockill compressibility 

      Oldecop, Luciano A.; Alonso Pérez de Agreda, Eduardo (Institution of Civil Engineers (http://www.ice.org.uk/), 2001)
      Article
      Accés obert
      The paper presents a macroscopic constitutive model for rockill that includes the effect of water on compressibility and collapse phenomena. Breakage of rock particles and fracture propagation are basic underlying mechanisms ...

    • A model for sand ridges on the shelf: effect of tidal and steady currents 

      Calvete Manrique, Daniel; Walgreen, M.; Swart, Huib E. de; Falqués Serra, Albert (2001-05)
      Article
      Accés obert
      The dynamics of sand ridges, as observed on the innershelves and midshelves of various coastal seas, are investigated within the framework of an idealized model. These seabed undulations include shoreface-connected sand ...

    • A model for the analysis of concrete dams due to environmental thermal effects 

      Agulló Fité, Luís; Mirambell Arrizabalaga, Enrique; Aguado de Cea, Antonio (1996-07)
      Article
      Accés obert
      In this article, an analytical model is presented for the simulation of the thermal behaviour of dams that are subjected to environmental thermal action during service. The method of solution adopted, as well as the ...

    • A Model for the analysis of concrete dams due to environmental thermal effects 

      Agulló Fité, Luís; Mirambell Arrizabalaga, Enrique; Aguado de Cea, Antonio (Emerald, 1996)
      Article
      Accés obert
      In this article, an analytical model is presented for the simulation of the thermal behavior of dams that are subjected to the environmental thermal action during service. The method of solution adopted as well as the ...

    • A model for the global airport network based in the intermediation degree of the edges 

      Segura Revilla, Francesc (Universitat Politècnica de Catalunya, 2011-07-25)
      Treball Final de Grau
      Accés obert
      Many real networks as the World Wide Web, the telephone and electrical networks and transportation (including air routes), biological or social systems belong to a category called ―small-world scale-free‖. The features of ...

    • A model for the mobile market based on customers profile to analyze the churning process 

      Flores Méndez, Mario Rogelio; Postigo Boix, Marcos; Melus Moreno, José Luis; Stiller, Burkhard (Springer, 2016-08-04)
      Article
      Accés obert
      In the current telecommunications market that is reaching high saturation levels, mobile network operators (MNOs) try to position themselves among customers through aggressive marketing campaigns and offers. In this ...

    • A model for the non linear dynamic analysis of reinforced concrete and masonry framed structures 

      Sima Brum, José Fernando (Universitat Politècnica de Catalunya, 2010-02-05)
      Tesi
      Accés obert
      La evaluación de la respuesta dinámica o sísmica de estructuras complejas a menudo requiere de la integración en el dominio del tiempo de la ecuación de equilibro dinámico de la estructura, en el marco de un análisis no ...

    • A model for the nonlinear, time-dependent and strengthening analysis of shear critical frame concrete structures 

      Ferreira, Denise Carina Santos (Universitat Politècnica de Catalunya, 2013-03-22)
      Tesi
      Accés obert
      Nonlinear fibre beam models, due to its intrinsic simplicity and computational efficiency, are often an adequate alternative to the complex nonlinear plane and solid FE models for the assessment of entire frame structures. ...