Now showing items 1-3 of 3

  • Dynamic Querying of Mass-Storage RDF Data with Rule-Based Entailment Regimes 

    Krennwallner, Thomas; Martello, Alessandra; Polleres, Axel (Springer, 2009)
    RDF Schema (RDFS) as a lightweight ontology language is gaining popularity and, consequently, tools for scalable RDFS inference and querying are needed. SPARQL has become recently aW3C standard for querying RDF data, ...
  • A rule system for querying persistent RDFS data 

    Krennwallner, Thomas; Martello, Alessandra; Polleres, Axel (2009)
    We present GiaBATA, a system for storing, aggregating, and querying Semantic Web data, based on declarative logic programming technology, namely on the dlvhex system, which allows us to implement a fully SPARQL compliant ...
  • XSPARQL: Traveling between the XML and RDF worlds - and avoiding the XSLT pilgrimage 

    Akhtar, Waseem; Krennwallner, Thomas; Polleres, Axel (Springer, 2008)
    With currently available tools and languages, translating between an existing XML format and RDF is a tedious and error-prone task. The importance of this problem is acknowledged by the W3C GRDDL working group who faces ...