Now showing items 21-40 of 64

    • ETL Testing Analyzer 

      Murar, Claudiu-Ionut (Universitat Politècnica de Catalunya, 2014-12-22)
      Master thesis
      Open Access
      ETL testing techniques are nowadays widely used into the data integration process. These techniques refer to the ability of being able to check whether the information that is loaded into the data warehouse has correctly ...
    • Evolució de les actuacions policials a través de les dades de cossos de l'Estat 

      Gámez Rodríguez, Joan (Universitat Politècnica de Catalunya, 2021-06-29)
      Bachelor thesis
      Open Access
      This thesis consists of integrating data sources from Spanish police forces, with the aim of observing the historical evolution of their interventions and how they have varied over time, especially with the arrival of the ...
    • Explotació i anàlisi de dades per a la predicció de preferències immobiliàries 

      Serra Soler, Gina (Universitat Politècnica de Catalunya, 2022-10-18)
      Bachelor thesis
      Open Access
      El present treball final de grau (TFG), consisteix en l'elaboració d'una aplicació, i a la vegada una exhaustiva investigació, de l'explotació i l'anàlisi de dades. Per tal de portar a terme una aplicació real, aquesta ...
    • Gestión de construcción de piscinas 

      Gallardo Sánchez, Jessica (Universitat Politècnica de Catalunya, 2011)
      Master thesis (pre-Bologna period)
      Open Access
      El objetivo de este proyecto de final de carrera es la elaboración de un software de gestión para la informatización de una empresa de construcción de piscinas que nunca ha utilizado software para llevar a cabo sus funciones ...
    • Graph BI & analytics: current state and future challenges 

      Ghrab, Amine; Romero Moral, Óscar; Jouili, Salim; Skhiri, Sabri (Springer, 2018)
      Conference report
      Open Access
      In an increasingly competitive market, making well-informed decisions requires the analysis of a wide range of heterogeneous, large and complex data. This paper focuses on the emerging field of graph warehousing. Graphs ...
    • Hecuba: NoSql made easy 

      Alomar, Guillem; Becerra Fontal, Yolanda; Torres Viñals, Jordi (Barcelona Supercomputing Center, 2015-05-05)
      Conference report
      Open Access
      Non-relational databases are nowadays a common solution when dealing with huge data set and massive query work load. These systems have been redesigned from scratch in order to achieve scalability and availability at ...
    • High-level ETL for semantic data warehouses 

      Deb Nath, Rudra Pratap; Romero Moral, Óscar; Pedersen, Torben Bach; Hose, Katja (2022)
      Article
      Open Access
      The popularity of the Semantic Web (SW) encourages organizations to organize and publish semantic data using the RDF model. This growth poses new requirements to Business Intelligence (BI) technologies to enable On-Line ...
    • Implementació d'un quadre de comandament parametritzable 

      Peña Sahunt, Marc (Universitat Politècnica de Catalunya, 2019-10-25)
      Bachelor thesis
      Restricted access - confidentiality agreement
    • Implementación de una gestión documental de proyectos basada en Alfresco 

      Betancourt, Felipe (Universitat Politècnica de Catalunya, 2019-06)
      Bachelor thesis
      Restricted access - confidentiality agreement
    • Implementation of the ETL process and analysis with real-time visualization of data from UPC infrastructure 

      Arbiol López, Meritxell (Universitat Politècnica de Catalunya, 2023-06-29)
      Master thesis
      Restricted access - confidentiality agreement
      Covenantee:   IThinkUPC
      The project implements from scratch the whole process of data extraction, transformation and loading to perform a set of descriptive and predictive analyses that will be visualized in a report with several graphics. The ...
    • Implementation of the multidimensional schemas integration method ORE 

      Mayorova, Daria (Universitat Politècnica de Catalunya, 2013-12-18)
      Master thesis
      Open Access
      The goal of the project is the implementation of the semi-automatic method, named ORE, for creating multidimentional schemas for data warehouses by integrating information requirements in an iterative way.
    • Improving the quality of clinical trials by applying efficient data management processes 

      Xena Bosch, Carla (Universitat Politècnica de Catalunya, 2020-02-05)
      Bachelor thesis
      Restricted access - author's decision
      Covenantee:   F. Hoffmann-La Roche
      For a clinical trial to be successful, it is necessary to possess high quality data from patients. The Clinical Data Management (CDM) department is the one responsible for that, gathering data and separating it into two ...
    • Integrating ETL processes from information requirements 

      Romero Moral, Óscar; Jovanovic, Petar; Simitsis, Alkis; Abelló Gamazo, Alberto (Springer, 2012)
      Conference report
      Restricted access - publisher's policy
      Data warehouse (DW) design is based on a set of requirements expressed as service level agreements (SLAs) and business level objects (BLOs). Populating a DW system from a set of information sources is realized with ...
    • Interactive multidimensional modeling of linked data for exploratory OLAP 

      Gallinucci, Enrico; Golfarelli, Matteo; Rizzi Bach, Stefano; Abelló Gamazo, Alberto; Romero Moral, Óscar (Elsevier, 2018-09)
      Article
      Open Access
      Exploratory OLAP aims at coupling the precision and detail of corporate data with the information wealth of LOD. While some techniques to create, publish, and query RDF cubes are already available, little has been said ...
    • La figura de l'administrador de dades 

      Campderrich, Benet (Asociación de Técnicos de Informática, 1978-11)
      Article
      Open Access
    • Leak detection in a DMA, a real application of flow modelling 

      Jiménez, Víctor; Grau Torrent, Sergi; Pérez Magrané, Ramon (2017)
      Conference report
      Open Access
      This paper presents a versatile methodology to calculate parameters that characterise the demand of a DMA. This parameters are used for the leak modelling so that a predictive model is built and trained with historical ...
    • Materializing aaseline views for deviation detection exploratory OLAP 

      Furtado, Pedro; Nadal Francesch, Sergi; Peralta, Verónika; Djedaini, Mahfoud; Labroche, Nicolas; Marcel, Patrick (Springer, 2015)
      Conference report
      Open Access
      Alert-raising and deviation detection in OLAP and explora-tory search concerns calling the user’s attention to variations and non-uniform data distributions, or directing the user to the most interesting exploration of the ...
    • MDBE: una herramienta automática para el modelado multidimensional 

      Romero Moral, Óscar; Abelló Gamazo, Alberto (Thomson Paraninfo, 2007)
      Conference lecture
      Open Access
      Los sistemas Data Warehousing tienen como objetivo ayudar en la toma de decisiones de las organizaciones. Para ello, estos sistemas inte­gran y homogenizan los datos de la organiza­ción en un Data Warehouse (DW), con el ...
    • Measuring discord among multidimensional data sources 

      Abelló Gamazo, Alberto; Cheney, James (CEUR-WS.org, 2022)
      Conference lecture
      Open Access
      Data integration is a classical problem in databases, typically decomposed into schema matching, entity matching and record merging. To solve the latter, it is mostly assumed that ground truth can be determined, either as ...
    • Migración de un DWH 

      Ginette Sáenz De Cabezón, Álvaro (Universitat Politècnica de Catalunya, 2016-06-27)
      Bachelor thesis
      Open Access
      Mi proyecto consiste en la migración de datos de un DataWarehouse a otro, con la finalidad de tener una única fuente de datos para generar informes únicos en vez de generar dos y tener que combinar los datos que se han requerido.