Ara es mostren els items 56-75 de 82

    • Programació pràctica en C++ 

      Gatius Vila, Marta; López Herrera, Josefina; Martín Prat, Àngela; Romero Moral, Óscar; Valverde Ruiz, Alfonso; Xhafa Xhafa, Fatos; Esquerra Llucià, Ignasi; Amirian Basiri, Gerard (Edicions UPC, 2010)
      Llibre
      Accés restringit als usuaris de la UB, UAB, UPC, UPF, UdG, UdL, URV, UOC, BC, UVic, UJI, URL, UIC
      L'objectiu d'aquest llibre és introduir el lector en la programació, facilitant-li l'aprenentatge dels conceptes fonamentals de programació i d'un dels llenguatges amb més projecció (el C++). Alhora, volem potenciar les ...
    • QB2OLAP : enabling OLAP on statistical linked open data 

      Varga, Jovan; Etcheverry, Lorena; Vaisman, Alejandro; Romero Moral, Óscar; Bach Pedersen, Torben; Thomsen, Christian (2016)
      Text en actes de congrés
      Accés obert
      Publication and sharing of multidimensional (MD) data on the Semantic Web (SW) opens new opportunities for the use of On-Line Analytical Processing (OLAP). The RDF Data Cube (QB) vocabulary, the current standard for ...
    • Quarry 

      Abelló Gamazo, Alberto; Romero Moral, Óscar; Jovanovic, Petar; Nadal Francesch, Sergi; Bilalli, Besim; Candón Arenas, Héctor; Mayorova, Daria; Thavornun, Varunya; Gil González, Daniel (2015-07-01)
      Programari
      Accés restringit per acord de confidencialitat
    • Quarry : digging up the gems of your data treasury 

      Jovanovic, Petar; Romero Moral, Óscar; Simitsis, Alkis; Abelló Gamazo, Alberto; Candón Arenas, Héctor; Nadal Francesch, Sergi (2015)
      Comunicació de congrés
      Accés obert
      The design lifecycle of a data warehousing (DW) system is primarily led by requirements of its end-users and the complexity of underlying data sources. The process of designing a multidimensional (MD) schema and back-end ...
    • Quarry: A user-centered big data integration platform 

      Jovanovic, Petar; Nadal Francesch, Sergi; Romero Moral, Óscar; Abelló Gamazo, Alberto; Bilalli, Besim (2021-02)
      Article
      Accés obert
      Obtaining valuable insights and actionable knowledge from data requires cross-analysis of domain data typically coming from various sources. Doing so, inevitably imposes burdensome processes of unifying different data ...
    • Relational Extensions : Object-Relational and XML Extensions 

      Romero Moral, Óscar; García, Roberto; Gil Iranzo, Rosa M. (Universitat Politècnica de Catalunya, 2012)
      Apunts
      Accés obert
    • Requirement-driven creation and deployment of multidimensional and ETL designs 

      Jovanovic, Petar; Romero Moral, Óscar; Simitsis, Alkis; Abelló Gamazo, Alberto (Springer, 2012)
      Text en actes de congrés
      Accés obert
      We present our tool for assisting designers in the error-prone and time-consuming tasks carried out at the early stages of a data warehousing project. Our tool semi-automatically produces multidimensional (MD) and ETL ...
    • Resilient store: a heuristic-based data format selector for intermediate results 

      Munir, Rana Faisal; Romero Moral, Óscar; Abelló Gamazo, Alberto; Bilalli, Besim; Thiele, Maik; Lehner, Wolfgang (2016)
      Número de revista
      Accés obert
      Large-scale data analysis is an important activity in many organizations that typically requires the deployment of data-intensive workflows. As data is processed these workflows generate large intermediate results, which ...
    • Semantic web technologies for business intelligence 

      Berlanga, Rafael; Romero Moral, Óscar; Simitsis, Alkis; Nebot, Victoria; Pedersen, Torben; Abelló Gamazo, Alberto; Aramburu, María José (IGI Global, 2011)
      Capítol de llibre
      Accés restringit per política de l'editorial
      This chapter describes the convergence of two of the most influential technologies in the last decade, namely business intelligence (BI) and the Semantic Web (SW). Business intelligence is used by almost any enterprise to ...
    • Service Oriented Business Intelligence 

      Abelló Gamazo, Alberto; Romero Moral, Óscar (Universitat Politècnica de Catalunya, 2013)
      Apunts
      Accés obert
    • Service-oriented business intelligence 

      Abelló Gamazo, Alberto; Romero Moral, Óscar (Springer, 2012)
      Capítol de llibre
      Accés restringit per política de l'editorial
      The traditional way to manage Information Technologies (IT) in the companies is having a data center, and licensing monolithic applications based on the number of CPUs, allowed connections, etc. This also holds for Business ...
    • SETL: A programmable semantic extract-transform-load framework for semantic data warehouses 

      Deb Nath, Rudra Pratap; Hose, Katja; Bach Pedersen, Torben; Romero Moral, Óscar (2017-08-01)
      Article
      Accés obert
      In order to create better decisions for business analytics, organizations increasingly use external structured, semi-structured, and unstructured data in addition to the (mostly structured) internal data. Current ...
    • SETLBI: An integrated platform for semantic business intelligence 

      Deb Nath, Rudra Pratap; Hose, Katja; Bach Pedersen, Torben; Romero Moral, Óscar; Bhattacharjee, Amrit (Association for Computing Machinery (ACM), 2020)
      Text en actes de congrés
      Accés obert
      With the growing popularity of Semantic Web technologies, more and more organizations natively manage data using Semantic Web standards, in particular RDF. This development gives rise to new requirements for Business ...
    • SM4AM : a semantic metamodel for analytical metadata 

      Varga, Jovan; Romero Moral, Óscar; Pedersen, Torben; Thomsen, Christian (2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Next generation BI systems emerge as platforms where traditional BI tools meet semi-structured and unstructured data coming from the Web. In these settings, the user-centric orientation represents a key characteristic for ...
    • SM4MQ: a semantic model for multidimensional queries 

      Varga, Jovan; Dobrokhotova, Ekaterina; Romero Moral, Óscar; Bach Pedersen, Torben; Thomsen, Christian (Springer, 2017)
      Text en actes de congrés
      Accés obert
      On-Line Analytical Processing (OLAP) is a data analysis approach to support decision-making. On top of that, Exploratory OLAP is a novel initiative for the convergence of OLAP and the Semantic Web (SW) that enables the use ...
    • Supporting data integration tasks with semi-automatic ontology construction 

      Touma, Rizkallah; Romero Moral, Óscar; Jovanovic, Petar (Association for Computing Machinery (ACM), 2015)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Data integration aims to facilitate the exploitation of heterogeneous data by providing the user with a unified view of data residing in different sources. Currently, ontologies are commonly used to represent this unified ...
    • Table identification and reconstruction in spreadsheets 

      Koci, Elvis; Thiele, Maik; Romero Moral, Óscar; Lehner, Wolfgang (Springer, 2017)
      Text en actes de congrés
      Accés obert
      Spreadsheets are one of the most successful content generation tools, used in almost every enterprise to perform data transformation, visualization, and analysis. The high degree of freedom provided by these tools results ...
    • Table recognition in spreadsheets via a graph representation 

      Koci, Elvis; Thiele, Maik; Lehner, Wolfgang; Romero Moral, Óscar (2018)
      Text en actes de congrés
      Accés obert
      Spreadsheet software are very popular data management tools. Their ease of use and abundant functionalities equip novices and professionals alike with the means to generate, transform, analyze, and visualize data. As a ...
    • The knowledge graph lifecycle in NTT DATA 

      Flores Herrera, Javier de Jesús; Jamin, Emmanuel; Nadal Francesch, Sergi; Romero Moral, Óscar (CEUR-WS.org, 2022)
      Comunicació de congrés
      Accés obert
      The Semantic Business Unit (SEMBU) in NTT DATA aims to increase the semantic interoper ability and accessibility of European institutions’ data projects by following Linked Open Data (LOD) principles to build controlled ...
    • TopoGraph: an end-to-end framework to build and analyze graph cubes 

      Ghrab, Amine; Romero Moral, Óscar; Skhiri, Sabri; Zimányi, Esteban (2021-02)
      Article
      Accés obert
      Graphs are a fundamental structure that provides an intuitive abstraction for modeling and analyzing complex and highly interconnected data. Given the potential complexity of such data, some approaches proposed extending ...