Université Paris Descartes
Research Activities
Semantic
Web - Knowledge Management – User profiles
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Contribution to semantic annotation standards,
allowing to exploit data more efficiently (e.g. to provide more relevant
information retrieval results). This research direction consists in describing
resources (without modifying them) with semantic annotation or metadata. The
Semantic Web initiative, conducted by Tim Berners-Lee, W3C, aims at promoting
such standards at various expressiveness levels.
In this context, I work on RDF and Topic Map standards. I am also interested in
the information and inference capabilities provided by ontologies. All these
standars make data integration easier, whatever their format or model is. The
goal of my research is to ease the –partial- automation of the semantic annotation
process, through concepts and relationships extraction techniques.
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Work on ontologies management and evolution.
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Definition of users profiles based on the analysis of
Web navigation traces.
Publications in several book chapters (cf. publications).
Data Analysis and Visualization
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Utilization of data analysis techniques, in particular
conceptual analysis and Galois lattices construction, for data interpretation
and for identification of implicit semantics.
·
Definition and application of conceptual contexts for
information retrieval.
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Work on complex data visualization and navigation. Definition
of representation and navigation metaphors in order to propose intuitive
information retrieval in knowledge bases. These representations should allow a
transparent navigation both at resource and at semantics levels.
Co-organization of several workshops (Knowledge Visualization and
Extraction at EGC 2005 and EGC 2006 conferences)
Project: RNTL Eiffel
Publications in conferences,
reviews and book chapters (cf. publications).
Publications
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