Now showing items 1-2 of 2

  • Benchmarking and Optimization of OBDA Systems 

    Lanti, Davide (Free University of Bozen-Bolzano, 2018)
    In this thesis we address the two distinct but interleaved problems of benchmarking and optimization of ontology-based data access (OBDA) systems. OBDA is an approach to cope with the emerging need of providing an ...
  • Ontop: Answering SPARQL queries over relational databases 

    Calvanese D; Cogrel B; Komla-Ebri S; Kontchakov R; Lanti D; Rezk M; Rodriguez-Muro M; Xiao G (2017)
    We present Ontop, an open-source Ontology-Based Data Access (OBDA) system that allows for querying relational data sources through a conceptual representation of the domain of interest, provided in terms of an ontology, ...