Now showing items 1-20 of 85

  • 3D reconstruction of deformable objects with volume 

    Irastorza Ugalde, Beñat (Universitat Politècnica de Catalunya, 2016-10)
    Master thesis
    Restricted access - confidentiality agreement
  • 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 ...
  • 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 ...
  • 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
    Restricted access - publisher's policy
    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 ...
  • 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.
  • De Menos a Distinto: Estudio de la Implantación de R en las asignaturas del grado de estadística 

    Baixeries i Juvillà, Jaume; Fairén González, Marta; Gabarró Vallès, Joaquim; Pasarella Sánchez, Ana Edelmira (2016)
    Conference report
    Open Access
    Teaching computer science in degrees that are not computer science related presents an important challenge: to motivate the students and to achieve good average grades. The student’s complaint is always based ...