Now showing items 21-40 of 336

    • Adaptive parameter-free learning from evolving data streams 

      Bifet Figuerol, Albert Carles; Gavaldà Mestre, Ricard (2009-03)
      External research report
      Open Access
      We propose and illustrate a method for developing algorithms that can adaptively learn from data streams that change over time. As an example, we take Hoeffding Tree, an incremental decision tree inducer for data streams, ...
    • Adaptive sampling methods for scaling up knowledge discovery algorithms 

      Domingo Soriano, Carlos; Gavaldà Mestre, Ricard; Watanabe, Osamu (2001-07)
      External research report
      Open Access
      One of the biggest research challenges in KDD and Data Mining is to develop methods that scale up well to large amounts of data. A possible approach for achieving scalability is to take a random sample and do data mining ...
    • Adding meaning to Facebook microposts via a mash-up API and tracking its data provenance 

      Steiner, Thomas; Verborgh, Ruben; Gabarró Vallès, Joaquim; Van de Walle, Rik (IEEE Computer Society Publications, 2011)
      Conference lecture
      Open Access
      The social networking website Facebook offers to its users a feature called “status updates” (or just “status”), which allows users to create microposts directed to all their contacts, or a subset thereof. Readers can ...
    • AETAS: A system for semanticizing temporal expressions from unstructured contents 

      Ardalan, Zagros; Martín Escofet, Carme; Padró, Lluís (Springer, 2015)
      Conference report
      Restricted access - publisher's policy
      AETAS is an online tool for converting text into RDF linked data with resolution of temporal expressions. AETAS follows fully SOA architecture and is accessible via web-service. It implements a novel approach for semantic ...
    • Aircraft conflict detection using data mining and statistical tools 

      Perez Font, Marc (Universitat Politècnica de Catalunya, 2016-10-28)
      Bachelor thesis
      Open Access
      Nowadays and taking into account the different indicators and the forecast of the air traffic volume from Eurocontrol, it is accepted the idea that the traffic will be doubled by 2030, that is why it is so important ...
    • ALOJA: A benchmarking and predictive platform for big data performance analysis 

      Poggi, Nicolas; Berral García, Josep Lluís; Carrera Pérez, David (Springer, 2016)
      Conference report
      Open Access
      The main goals of the ALOJA research project from BSC-MSR, are to explore and automate the characterization of cost-effectivenessof Big Data deployments. The development of the project over its first year, has resulted in ...
    • Ampliacions del programa Minermol Visualització i clustering 

      König, Caroline (Universitat Politècnica de Catalunya, 2007-01-26)
      Master thesis (pre-Bologna period)
      Open Access
    • An e-Learning toolbox based on rule-based fuzzy approaches 

      Nebot Castells, M. Àngela; Múgica Álvarez, Francisco; Castro Espinoza, Félix Agustín (Multidisciplinary Digital Publishing Institute, 2020-09-28)
      Article
      Open Access
      In this paper, an e-Learning toolbox based on a set of fuzzy logic data mining techniques is presented. The toolbox is mainly based on the fuzzy inductive reasoning (FIR) methodology and two of its key extensions: (i) the ...
    • An efficient closed frequent itemset miner for the MOA stream mining system 

      Quadrana, Massimo; Bifet Figuerol, Albert Carles; Gavaldà Mestre, Ricard (2015-01-07)
      Article
      Open Access
      Mining itemsets is a central task in data mining, both in the batch and the streaming paradigms. While robust, efficient, and well-tested implementations exist for batch mining, hardly any publicly available equivalent ...
    • An efficient closed frequent itemset miner for the MOA stream mining system 

      Quadrana, Massimo; Bifet Figuerol, Albert Carles; Gavaldà Mestre, Ricard (2013)
      External research report
      Open Access
      Mining itemsets is a central task in data mining, both in the batch and the streaming paradigms. While robust, efficient, and well-tested implementations exist for batch mining, hardly any publicly available equivalent ...
    • An interoperable workflow-based framework for the automation of building intelligent process control systems 

      Pascual Pañach, Josep; Cugueró Escofet, Miquel Àngel; Aguiló Martos, Pere; Sànchez-Marrè, Miquel (International Environmental Modelling and Software Society (iEMSs), 2018)
      Conference lecture
      Open Access
      One of the major problems to design and implement a control/supervision system for a process lies in the need to establish an ad-hoc system for each process installation. On the other side, an open challenge related to the ...
    • Analítica predictiva en la toma de decisiones de la ingeniería : ejemplos de aplicaciones 

      Martínez Velasco, Víctor (Universitat Politècnica de Catalunya, 2019-07-01)
      Bachelor thesis
      Open Access
      Este trabajo de fin de grado, proporciona una herramienta de aprendizaje entorno al software Orange orientado a la minería de datos. El documento, conciencia al usuario de la importancia que puede llegar a tener el ...
    • Analysis of building maintenance requests using a text mining approach: building services evaluation 

      Bortolini, Rafaela; Forcada Matheu, Núria (2019-05-16)
      Article
      Open Access
      End users’ maintenance requests gathered from computerized maintenance management systems (CMMS) configure a rich source of information to evaluate the occupants’ satisfaction and the building systems. Nevertheless, the ...
    • Analysis of occupational accidents in underground and surface mining in Spain using data-mining techniques 

      Sanmiquel Pera, Lluís; Bascompta Massanes, Marc; Rossell Garriga, Josep Maria; Anticoi Sudzuki, Hernán Francisco; Guasch Cascallo, Eduard (2018-03-07)
      Article
      Open Access
      An analysis of occupational accidents in the mining sector was conducted using the data from the Spanish Ministry of Employment and Social Safety between 2005 and 2015, and data-mining techniques were applied. Data was ...
    • Analysis of the high schools’ performance in the initial phase of the GETI degree 

      Tintoré Gazulla, Marta (Universitat Politècnica de Catalunya, 2018-06-21)
      Bachelor thesis
      Restricted access - confidentiality agreement
    • Analysis of the treatment of pain and anxiety in the anesthesia care in an ERCP: Process Mining application in Heath Care 

      Carbonell Gutiérrez, Arnau (Universitat Politècnica de Catalunya / Technishe Universiteit Eindhoven, 2011)
      Master thesis (pre-Bologna period)
      Open Access
      Healthcare is seen as an essential matter in developed societies, and providing patients with an outstanding quality service has been the main core objective of healthcare organizations for de ...
    • Analysis of twitter traffic based on renewal densities 

      Esteban Zarza, Ángel Javier (Universitat Politècnica de Catalunya, 2012-04-12)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   University of Southern California
      [ANGLÈS] We propose a novel approach for Twitter traffic analysis based on renewal theory. Even though Twitter datasets are of increasing interest to researchers, extracting information from message timing remains somewhat ...
    • Analysis, visualization and study of bike sharing dataset using Matlab 

      Hita Amorós, David (Universitat Politècnica de Catalunya, 2015-10)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Tong ji da xue
      The purpose of this study is to demonstrate the ease of use of Matlab (with new releases) regarding the field of Data Analysis, especially for users who have little to no knowledge of complex programming languages in a ...
    • Análisis de datos para la detección de anomalías en procesos de soldadura 

      Di Giovanni Núñez, Andrés (Universitat Politècnica de Catalunya, 2018-06-27)
      Master thesis
      Restricted access - confidentiality agreement
      Covenantee:   JBC Soldering
    • Análisis de los datos académicos de los estudiantes de la ETSEIB 

      Prats Quintana, Javier (Universitat Politècnica de Catalunya, 2015-11)
      Master thesis (pre-Bologna period)
      Open Access
      El avance tecnológico y la sofisticación de las computadoras ha dado lugar a procesadores capaces de ejecutar millones de operaciones por segundo sobre grandes volúmenes de datos. Paralelamente a este avance, ha aparecido ...