Now showing items 1-20 of 95

    • 3D reconstruction of deformable objects with volume 

      Irastorza Ugalde, Beñat (Universitat Politècnica de Catalunya, 2016-10)
      Master thesis
      Restricted access - confidentiality agreement
    • A semantics of business configurations using symbolic graphs 

      Mylonakis Pascual, Nicolás; Orejas Valdés, Fernando; Fiadeiro, José Luiz (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference report
      Open Access
      In this paper we give graph-semantics to a fundamental part of the semantics of the service modeling language SRML: business configurations. To achieve this goal we use symbolic graph transformation systems. We formalize ...
    • Algunes consideracions teòriques al problema de la construcció d’horaris (comunicació breu) 

      Berenguer, Xavier; Díaz Cort, Josep (Universitat Politècnica de Barcelona. Centre de Càlcul, 1980-03)
      Article
      Open Access
      Corominas i Roselló varen presentar una visió general dels algorismes per a resoldre el problema de la construcció d'horaris en centres escolars. En aquesta comunicació es pretén completar aquest treball amb una revisió ...
    • Autonomic urban traffic optimization using data analytics 

      Garriga Porqueras, Albert (Universitat Politècnica de Catalunya, 2017-05)
      Bachelor thesis
      Open Access
      This work focuses on a smart mobility use case where real-time data analytics on traffic measures is used to improve mobility in the event of a perturbation causing congestion in a local urban area. The data monitored is ...
    • Back-to-front ordering of triangles in digital terrain models over regular grids 

      Alonso López, Javier; Joan Arinyo, Robert (2018-11-01)
      Article
      Open Access
      Visiting triangles that conform a digital terrain model is a core operation in a number of fields like animation and video games or generating profiles, cross-sections, and contours in civil engineering. Performing the ...
    • Barcelona Virtual Mobility Lab: the multimodal transport simulation testbed for emerging mobility concepts evaluation 

      Montero Mercadé, Lídia; Linares Herreros, María Paz; Salmeron Moya, Juan; Recio, Gonzalo; Lorente, Ester; Vázquez, Juan José (International Academy, Research, and Industry Association (IARIA), 2018)
      Conference report
      Open Access
      New sustainable mobility concepts and smart resilient ideas are arising every day. However, there is not an easy way to bring these ideas into reality, or to test how good they are as mobility solutions. Virtual Mobility ...
    • Bounded expansion in models of webgraphs 

      Gago Álvarez, Silvia; Schlatter, Dirk (2007-10-02)
      Article
      Open Access
      We study the bounded expansion of several models of web graphs. We show that various deterministic graph models for large complex networks have constant bounded expansion.We study two random models of webgraphs, showing ...
    • Cambios en las componentes de alta frecuencia del QRS durante isquemia de miocardio inducida 

      Magrans Nicieza, Rudys; Gomis Román, Pedro; Caminal Magrans, Pere; Wagner, G. (2010)
      Conference lecture
      Open Access
    • Cardinality networks and their applications 

      Asín Acha, Roberto Javier; Nieuwenhuis, Robert Lukas Mario; Oliveras Llunell, Albert; Rodríguez Carbonell, Enric (Springer, 2009)
      Conference report
      Restricted access - publisher's policy
      We introduce Cardinality Networks, a new CNF encoding of cardinality constraints. It improves upon the previously existing encodings such as the sorting networks of [ES06] in that it requires much less clauses and auxiliary ...
    • characterization of order-like dependencies with formal concept analysis 

      Baixeries i Juvillà, Jaume; Napoli, Amedeo; Kaytoue, Mehdi; Codecedo, Victor (2016)
      Conference report
      Open Access
      Functional Dependencies (FDs) play a key role in many fields of the relational database model, one of the most widely used database systems. FDs have also been applied in data analysis, data quality, knowledge discovery ...
    • Characterizing approximate-matching dependencies in formal concept analysis with pattern structures 

      Baixeries i Juvillà, Jaume; Codocedo, Victor; Kaytoue, Mehdi; Napoli, Amedeo (2018-04-26)
      Article
      Open Access
      Functional dependencies (FDs) provide valuable knowledge on the relations between attributes of a data table. A functional dependency holds when the values of an attribute can be determined by another. It has been shown ...
    • Cirurgia assistida mitjançant visió per computador 

      Cote Rojas, Sergi (Universitat Politècnica de Catalunya, 2017-06-27)
      Bachelor thesis
      Open Access
      En aquest projecte s'ha desenvolupat una solució informàtica que, a partir de l'enregistrament en vídeo d'una cirurgia mínimament invasiva, és capaç de detectar i marcar sobre aquest vídeo les eines utilitzades per el cirurgià.
    • Classification de séries temporelles par modèles markoviens cachés, application à l'ischémie myocardique 

      Dumont, Jérôme; Hernández, Alfredo I; Gomis Román, Pedro; Carrault, Guy (2009)
      Conference lecture
      Open Access
      A new method for myocardial ischemia detection is proposed in this communication. The originality of this method relies on the consideration of the dynamics of times series extracted from the ECG whereas traditionnal ...
    • Computing optimal shortcuts for networks 

      Garijo Royo, Delia; Marquez Pérez, Alberto; Rodríguez, Natalia; Silveira, Rodrigo Ignacio (2018)
      Conference report
      Open Access
      We augment a plane Euclidean network with a segment or shortcut to minimize the largest distance between any two points along the edges of the resulting network. In this continuous setting, the problem of computing distances ...
    • Computing optimal shortcuts for networks 

      Garijo Royo, Delia; Marquez Pérez, Alberto; Rodríguez, Natalia; Silveira, Rodrigo Ignacio (2018)
      Conference report
      Open Access
      We study augmenting a plane Euclidean network with a segment, called shortcut, to minimize the largest distance between any two points along the edges of the resulting network. Questions of this type have received considerable ...
    • Construcció d’horaris per a centres escolars: models i algorismes 

      Corominas Subias, Albert; Roselló i Molinari, Xavier (Universitat Politècnica de Barcelona. Centre de Càlcul, 1979-12)
      Article
      Open Access
      Es fa un estudi de treballs publicats sobre el problema docents. El tema central és el de la construcción d'horaris per a les activitats en cursos regulars però també es contemplen la programació d'activitats docents ...
    • Coprivacy: an introduction to the theory and applications of co-operative privacy 

      Domingo-Ferrer, Josep (Institut d'Estadística de Catalunya, 2011)
      Article
      Open Access
      We introduce the novel concept of coprivacy or co-operative privacy to make privacy preservation attractive. A protocol is coprivate if the best option for a player to preserve her privacy is to help another player in ...
    • Cyclic codes over rings 

      Ten Valls, Roger (Universitat Politècnica de Catalunya, 2013-07)
      Master thesis
      Restricted access - author's decision
      Coding theory originated as the mathematical foundation for the transmission of messages over noisy communication channels and deals with the problem of detecting and correcting transmission errors caused by the noise of ...
    • Data maturity analysis and business performance: a Colombian case study 

      Grimaldi, Didier; Díaz Florez, Javier; Arboleda Jiménez, Hugo Fernando; Fernández Alarcón, Vicenç (Elsevier Ltd, 2019-08)
      Article
      Open Access
      Context: Colombia over the last decade has experienced a historic economic boom and Information Technology (IT) has been emerging as a tool to enable the competitiveness of companies. The last government (2014–2018) took ...
    • De cómo ciertos conjuntos no pueden ser NP-completos 

      Balcázar Navarro, José Luis (Universitat Politècnica de Barcelona. Centre de Càlcul, 1982-09)
      Article
      Open Access
      En este artículo se presenta una visión general a los últimos resultados acontecidos en el área de la estructura de la clase NP-completa y su relación con el problema de si: P=NP o P diferente de NP.