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CR INRIA
Leader of the Edelweiss team
My research topics are Knowledge Engineering and Semantic Web. I work on mapping RDF/S, SPARQL and Conceptual Graphs (CG). I am the designer of the Corese Semantic Web Factory. Recently I have been working on:
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KGRAM: a Knowledge Graph Abstract Machine
A formalism that unifies graph match (graph homomorphism) and SPARQL query processing. It enables to compute SPARQL queries not only on RDF but also on other kinds of graph such as conceptual graphs. KGRAM implements statements of SPARQL 1.1 (property path, nested query, negation, aggregation, group by, select expression). KGRAM is ported on Corese and an experiment is currently done to port it on another RDF platform. -
Extending SPARQL with Pragmas
How to extend SPARQL in a generic way using pragmas and how to specify access rights by means of (un)authorized namespaces and types. - SPARQL Nested Queries
- RIX QL: RDF Integration with XML
or how to integrate RDF, XML, XSLT, XPointer, XPath and SPARQL. - Graph Paths in SPARQL
- RDF Contexts using Named Graphs.
I am responsible of a master course on the Semantic Web at EPU Nice - Sophia Antipolis. Web page. I also teach in Licence Pro at IUT Nice-Sophia Antipolis and at ENSI Bourges.
I am a former member of the Acacia team.