Browsing by Subject "Gestor de dades"

Now showing items 1-20 of 60

    • A framework for building OLAP cubes on graphs 

      Ghrab, Amine; Romero Moral, Óscar; Skhiri, Sabri; Vaisman, Alejandro; Zimányi, Esteban (Springer, 2015)
      Conference report
      Open Access
      Graphs are widespread structures providing a powerful abstraction for modeling networked data. Large and complex graphs have emerged in various domains such as social networks, bioinformatics, and chemical data. However, ...

    • A framework for multidimensional indexes on distributed and highly-available data stores 

      Cugnasco, Cesare; Becerra Fontal, Yolanda (Barcelona Supercomputing Center, 2015-05-05)
      Conference report
      Open Access
      No-relational databases are nowadays a common solution when dealing with a huge data set and massive query workload. These systems have been redesigned from scratch in order to achieve scalability and availability at ...

    • A modularization proposal for goal-oriented analysis of data warehouses using I-star 

      Maté Morga, Alejandro; Trujillo Mondéjar, Juan Carlos; Franch Gutiérrez, Javier (Springer, 2011)
      Conference report
      Restricted access - publisher's policy
      The success rate of Data Warehouse (DW) development is improved by performing a requirements elicitation stage in which the users’ needs to be fulfilled by the DW are modeled. Currently, among the different proposals for ...

    • A new machine learning approach to support asset management in water distribution networks 

      Brucia, Paolo Gioele (Universitat Politècnica de Catalunya, 2022-01-31)
      Master thesis
      Open Access
      One of the main causes of the widespread problem of freshwater scarcity lies in unfruitful maintenance of distribution infrastructure, leading to failures with consequent waste of precious resources. It is estimated that ...

    • A requirement-driven approach to the design and evolution of data warehouses 

      Jovanovic, Petar; Romero Moral, Óscar; Simitsis, Alkis; Abelló Gamazo, Alberto; Mayorova, Daria (2014-08-01)
      Article
      Restricted access - publisher's policy
      Designing data warehouse (DW) systems in highly dynamic enterprise environments is not an easy task. At each moment, the multidimensional (MD) schema needs to satisfy the set of information requirements posed by the business ...

    • A unified view of data-intensive flows in business intelligence systems : a survey 

      Jovanovic, Petar; Romero Moral, Óscar; Abelló Gamazo, Alberto (2016-12)
      Article
      Open Access
      Data-intensive flows are central processes in today’s business intelligence (BI) systems, deploying different technologies to deliver data, from a multitude of data sources, in user-preferred and analysis-ready formats. ...

    • Adding semantic modules to improve goal-oriented analysis of data warehouses using I-star 

      Mate, Alejandro; Trujillo Mondejar, Juan Carlos; Franch Gutiérrez, Javier (2014-02-01)
      Article
      Open Access
      The success rate of data warehouse (DW) development is improved by performing a requirements elicitation stage in which the users' needs are modeled. Currently, among the different proposals for modeling requirements, there ...

    • An approach for alert raising in real-time data warehouses 

      López, Maximiliano Ariel; Nadal Francesch, Sergi; Djedaini, Mahfoud; Marcel, Patrick; Peralta, Verónika; Furtado, Pedro (2015)
      Conference report
      Open Access
      This work proposes an approach for alert raising within a real-time data warehouse environment. It is based on the calculation of confidence intervals for measures from historical facts. As new facts arrive to the data ...

    • Anàlisi d’ordres de treball 

      Ribalta Bargallò, Ricard (Universitat Politècnica de Catalunya, 2019-01-10)
      Bachelor thesis
      Restricted access - author's decision

    • Aplicació de gestió (ERP) de contactes i esdeveniments per l’EPSEVG 

      Escribano Gómez, Jesús Manuel (Universitat Politècnica de Catalunya, 2010-06-28)
      Master thesis (pre-Bologna period)
      Open Access
      Amb aquest projecte final de carrera es vol millorar la gestió dels contactes dels diferents usuaris de l’EPSEVG, així com facilitar la gestió i creació d’esdeveniments i campanyes Els treballadors de l’EPSEVG es relacionen ...

    • Artifact-centric business process models in UML : specification and reasoning 

      Estañol, Montserrat (Universitat Politècnica de Catalunya, 2016-04-29)
      Doctoral thesis
      Open Access
      Business processes are directly involved in the achievement of an organization's goals, and for this reason they should be performed in the best possible way. Modeling business processes can help to achieve this as, for ...

    • Automating user-centered design of data-intensive processes 

      Theodorou, Vasileios (Universitat Politècnica de Catalunya, 2017-01-27)
      Doctoral thesis
      Open Access
      Covenantee:   Technische Universität Dresden
      Business Intelligence (BI) enables organizations to collect and analyze internal and external business data to generate knowledge and business value, and provide decision support at the strategic, tactical, and operational ...

    • Building a Data Warehouse for the global WHO information and surveillance system to control/eliminate Chagas disease 

      Viñas Navas, Jaume (Universitat Politècnica de Catalunya, 2014-01-17)
      Master thesis (pre-Bologna period)
      Open Access
      The objective of the project is to document the software requirements to build the Data Warehouse of the global Chagas disease. The main tasks under the project are the definition of the software requirements specification ...

    • Contributions to efficient and secure exchange of networked clinical data : the MOSAIC system 

      Lluch-Ariet, Magí (Universitat Politècnica de Catalunya, 2016-07-22)
      Doctoral thesis
      Open Access
      The understanding of certain data often requires the collection of similar data from different places to be analysed and interpreted. Multi-agent systems (MAS), interoperability standards (DICOM, HL7 or EN13606) and ...

    • Cronometraje y clasificación de rallies slot 

      De Haro Ruiz, Pablo; Llinàs Gea, Roger; Mazariegos Canellas, Salvador (Universitat Politècnica de Catalunya, 2005-04)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      La finalidad de este proyecto final de carrera ha sido la de diseñar e implementar un sistema de gestión y medición de tiempos para los campeonatos de Rally Slot. El diseño de dicho sistema se realiza con el fin de ser ...

    • Data setup for water distribution system supervision 

      Pérez Magrané, Ramon; Grau Torrent, Sergi; Jimenez, Victor; Martínez, Xavier; Tomas, Ricard (2017)
      Conference report
      Open Access
      The availability of on-line data coming from the water distribution systems (WDS) allows the monitoring of such critical infrastructures. Nevertheless the huge amount of data that come to the control centre implies an ...

    • Desenvolupament d'un gestor d'oportunitats per a una empresa de serveis tècnics d'immobles 

      Espinós Ferrer, Xavier (Universitat Politècnica de Catalunya, 2021-07-01)
      Bachelor thesis
      Restricted access - confidentiality agreement

    • Desenvolupament d'una plataforma digital per la gestió del clima laboral i el compromís dels empleats en l'organització on treballen 

      Mora Pruna, Jordi (Universitat Politècnica de Catalunya, 2019-10-22)
      Bachelor thesis
      Restricted access - confidentiality agreement

    • Disseny i implementació d'una plataforma amb AEM Communities 

      Riera Brutau, Celia (Universitat Politècnica de Catalunya, 2019-07)
      Bachelor thesis
      Restricted access - confidentiality agreement

    • 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 ...