Now showing items 1-20 of 52

    • Achieving timing composability with measurement-based probabilistic timing analysis 

      Kosmidis, Leonidas; Quiñones, Eduardo; Abella Ferrer, Jaume; Vardanega, Tulio; Cazorla Almeida, Francisco Javier (2013)
      Conference report
      Restricted access - publisher's policy
      Probabilistic Timing Analysis (PTA) allows complex hardware acceleration features, which defeat classic timing analysis, to be used in hard real-time systems. PTA can do that because it drastically reduces intrinsic ...
    • An algebraic framework for Diffie-Hellman assumptions 

      Escala Ribas, Alex; Herold, Gottfried; Kiltz, Eike; Ràfols Salvador, Carla; Villar Santos, Jorge Luis (2017-01)
      Article
      Open Access
      We put forward a new algebraic framework to generalize and analyze Di e-Hellman like Decisional Assumptions which allows us to argue about security and applications by considering only algebraic properties. Our D`;k-MDDH ...
    • Analysis of the winning probability and the scoring actions in the American professional soccer championship 

      Susín Sánchez, Antonio (2020-01-01)
      Article
      Open Access
      This study aimed to assess the effect of the scoring moment on the conditional probability of winning or losing a professional soccer match, as well as identified the most influential variables contributing to victory in ...
    • Automatic differentiation in probabilistic machine learning with variational inference 

      Pou Quirós, Alberto (Universitat Politècnica de Catalunya, 2017-07-06)
      Master thesis
      Open Access
      La era tecnológica que se vive actualmente está dando lugar a cantidades ingentes de información que requieren ser analizadas de forma automática. El machine learning puede ayudar a mitigar esta sobrecarga encontrando patrones ...
    • Average-case analysis on simple families of trees using a balanced probabilistic model 

      Cases Muñoz, Rafel; Díaz Cort, Josep; Martínez Parra, Conrado (1991-02-20)
      External research report
      Open Access
      In this paper we study a balanced probability model defined over simple families of trees, which from the point of doing statistics on trees, behave in quite a different way from the uniform distribution. Using the new ...
    • Bayes linear spaces 

      Van den Boogaart, Karl Gerald; Egozcue, Juan José; Pawlowsky Glahn, Vera (Institut d'Estadística de Catalunya, 2010)
      Article
      Open Access
      Linear spaces consisting of -finite probability measures and infinite measures (improper priors and likelihood functions) are defined. The commutative group operation, called perturbation, is the updating given by Bayes ...
    • BicingStats 

      Carol Campreciós, Alejandro (Universitat Politècnica de Catalunya, 2016-09-14)
      Master thesis (pre-Bologna period)
      Open Access
      Implementació d'un sistema de predicció de l'ocupació de estacions de Bicing i d'una app Android que mostra aquests resultats a l'usuari.
    • Biclustering models for two-mode ordinal data 

      Matechou, Eleni; Liu, Ivy; Fernández Martínez, Daniel; Farias, Miguel; Gjelsvik, Bergljot (2016-09)
      Article
      Open Access
      The work in this paper introduces finite mixture models that can be used to simultaneously cluster the rows and columns of two-mode ordinal categorical response data, such as those resulting from Likert scale responses. ...
    • Brownian motion: a random walk approximation 

      Gutiérrez Moya, Sergio (Universitat Politècnica de Catalunya, 2018-07)
      Bachelor thesis
      Open Access
      Brownian motion is one of the most used stochastic models in applications to financial mathematics, communications, engineeering, physics and other areas. Many of the central results in the theory are obtained directly ...
    • CFAR data fusion center with inhomogeneous receivers 

      Elias Fusté, Antoni; Broquetas Ibars, Antoni (1992-01)
      Article
      Open Access
      Detection systems with distributed sensors and data fusion are increasingly used by surveillance systems. A system formed by N inhomogeneous constant false alarm rate (CFAR) detectors (cell-averaging (CA) and ordered ...
    • Classifying wave forecasts with model-based geostatistics and the Aitchison distribution 

      Tolosana Delgado, Raimon; Egozcue Rubí, Juan José; Sánchez-Arcilla Conejo, Agustín; Gómez Aguar, Jesús Javier (2010)
      Conference report
      Restricted access - publisher's policy
    • Combining biased randomization with meta-heuristics for solving the multi-depot vehicle routing problem 

      Juan Pérez, Angel Alejandro; Barrios, Barry; González Martín, Sergio; Coccola, Mariana; Faulín, Javier; Bektas, Tolga (2012)
      Conference lecture
      Restricted access - publisher's policy
      This paper proposes a hybrid algorithm, combining Biased-Randomized (BR) processes with an Iterated Local Search (ILS) meta-heuristic, to solve the Multi-Depot Vehicle Routing Problem (MDVRP). Our approach assumes a ...
    • Conditional probabilities of post-release events for hazardous materials pipelines 

      Bubbico, Roberto; Carbone, F; Ramírez Camacho, Jaime Giovanni; Pastor Ferrer, Elsa; Casal Fàbrega, Joaquim (2016-11-01)
      Article
      Open Access
      Pipelines are commonly considered a safe alternative for the transportation of hazardous materials. However, in case of failure, pipelines still pose major risks to the environment and to the population potentially exposed. ...
    • Correlations and coherence: an experimental proposal 

      Sendra Molins, Lluc (Universitat Politècnica de Catalunya, 2017-10-24)
      Bachelor thesis
      Open Access
      We propose and realize a variation of Mandel's experiment where the Englert's inequality can be demonstrated. This is a relation of the coherence and the which-way information, which is one of the most fundamental results ...
    • Decentralised multi-access MAC protocol for ad-hoc networks 

      Realp, Marc; Pérez Neira, Ana Isabel (2003)
      Conference report
      Open Access
      In ad-hoc radio networks, mechanisms on how to access the radio channel are extremely important in order to improve network efficiency and, when needed, to guarantee QoS. Traditionally, Medium Access Control (MAC) protocols ...
    • Discovering comprehensible hydrogeological profiles in the Margarita Island's acquifers including post-processing in a data mining process 

      Conti, Dante; Gibert, Karina (2014)
      Conference report
      Restricted access - author's decision
      Groundwater wells are one of the most important water resources in the world. Control and management of these resources are of high importance due to the implicit need of water as the main resource for life. This research ...
    • Distribution planning in a weather-dependent scenario with stochastic travel times: a simheuristics approach 

      Estrada-Moreno, Alejandro; Serrat Piè, Carles; Nogal Macho, María; Cavero-Lázaro, Marta; Juan Pérez, Ángel Alejandro (2019-02-04)
      Article
      Open Access
      In real-life logistics, distribution plans might be affected by weather conditions (rain, snow, and fog), since they might have a significant effect on traveling times and, therefore, on total distribution costs. In this ...
    • E-status: a web tool for learning by doing exercises 

      González Alastrué, José Antonio; Muñoz Gracia, María del Pilar (University of Creta, 2002)
      Conference report
      Open Access
      The paper introduces the project led by a team of teachers to assist students learn statistics. The goal is to build a tool able to present mathematical problems and to correct the students´ answers. The problems may include ...
    • Estimation of the number of cases of meningococcical disease in Barcelona by means capture-recapture methodology 

      Muñoz Gracia, María del Pilar; Orcau Palau, Angels; Pañella, Helena (1998-08)
      Conference lecture
      Open Access
      This study is aimed at estimating the number of cases fo meningococcical disease that appeared in Barcelona between the years 1993 and 1994. We develop long-linear models for capture-recapture methods when there are more ...
    • Evidence functions: a compositional approach to information 

      Egozcue Rubí, Juan José; Pawlowsky Glahn, Vera (Institut d'Estadística de Catalunya, 2018-07-01)
      Article
      Open Access
      The discrete case of Bayes’ formula is considered the paradigm of information acquisition. Prior and posterior probability functions, as well as likelihood functions, called evidence functions, are compositions following ...