Recent Submissions

  • Multidimensional integration of RDF datasets 

    Behan, Jam Jahanzeb Khan; Romero Moral, Óscar; Zimányi, Esteban (Springer, 2019)
    Conference lecture
    Open Access
    Data providers have been uploading RDF datasets on the web to aid researchers and analysts in finding insights. These datasets, made available by different data providers, contain common characteristics that enable their ...
  • XLIndy: interactive recognition and information extraction in spreadsheets 

    Koci, Elvis; Kuban, Dana; Luetting, Nico; Olwig, Dominik; Thiele, Maik; Gonsior, Julius; Lehner, Wolfgang; Romero Moral, Óscar (Association for Computing Machinery (ACM), 2019)
    Conference report
    Open Access
    Over the years, spreadsheets have established their presence in many domains, including business, government, and science. However, challenges arise due to spreadsheets being partially-structured and carrying implicit ...
  • Automatically configuring parallelism for hybrid layouts 

    Munir, Rana Faisal; Abelló Gamazo, Alberto; Romero Moral, Óscar; Thiele, Maik; Lehner, Wolfgang (Springer, 2019)
    Conference lecture
    Open Access
    Distributed processing frameworks process data in parallel by dividing it into multiple partitions and each partition is processed in a separate task. The number of tasks is always created based on the total file size. ...
  • Keeping the data lake in form: DS-kNN datasets categorization using proximity mining 

    Al-serafi, Ayman Mounir Mohamed; Abelló Gamazo, Alberto; Romero Moral, Óscar; Calders, Toon (Springer, 2019)
    Conference report
    Open Access
    With the growth of the number of datasets stored in data repositories, there has been a trend of using Data Lakes (DLs) to store such data. DLs store datasets in their raw formats without any transformations or preprocessing, ...
  • FAME: supporting continuous requirements elicitation by combining user feedback and monitoring 

    Oriol Hilari, Marc; Stade, Melanie; Fotrousi, Farnaz; Nadal Francesch, Sergi; Varga, Jovan; Seyff, Norbert; Abelló Gamazo, Alberto; Franch Gutiérrez, Javier; Marco Gómez, Jordi; Schmidt, Oleg (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Open Access
    Context: Software evolution ensures that software systems in use stay up to date and provide value for end-users. However, it is challenging for requirements engineers to continuously elicit needs for systems used by ...
  • ODIN: A dataspace management system 

    Nadal Francesch, Sergi; Rabbani, Kashif; Romero Moral, Óscar; Nigatu, Shumet Tadesse (CEUR-WS.org, 2019)
    Conference lecture
    Open Access
    ODIN is a system that supports the incremental pay-as-you-go integration of data sources into dataspaces and provides user-friendly querying mechanisms on top of them. We describe its main characteristics and underlying ...
  • 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 ...