Reasoning and Querying Unit

The goal of this work programme is to find the right trade-off between expressive knowledge representation and efficient, scalable reasoning and querying techniques in the open, distributed environment of the Semantic Web. The focus is on improving the scalability and investigating the adequacy of traditional reasoning and query answering techniques for the Web, where several classical assumptions no longer hold as data is heterogeneous, distributed, possibly incomplete or contradictory, structured in different levels of granularity, varying in levels of trust and accessible only by following implicit or explicit security policies. The objectives include the definition of expressive query and rules languages; the investigation of the interplay between ontology languages, query languages and rules languages; efficient search and inferencing; scalable, distributed reasoning; closing the gaps between the RDF and XML worlds; supporting security and trust assessment on the Web by investigating adequate representation and reasoning techniques for assessing and negotiating trust; and dealing with dynamic, conflicting, uncertain and temporally changing metadata.

  • Stefano Braghin's picture
    Research Associate
    stefano [dot] braghin [at] deri [dot] org
  • Sabrina Kirrane's picture
    Ph.D. Student
    sabrina [dot] kirrane [at] deri [dot] org
  • Alessandra Mileo's picture
    Adjunct Lecturer, Research Fellow, Unit Leader
    Tel:
    +353 91 495712
    alessandra [dot] mileo [at] deri [dot] org

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  • Alessandra Mileo's picture
    Adjunct Lecturer, Research Fellow, Unit Leader
    Tel:
    +353 91 495712
    alessandra [dot] mileo [at] deri [dot] org
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