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The name "Porphyry" refers to one of the most ancient graphical knowledge models.

With Porphyry, users can explore corpora through several concurrent categorisation systems.

Used in qualitative document analysis, it assists the analyst in experimental reading and in comparing different analyses.

Credits

Project Management: Aurélien Bénel

• v0 (1998)
  • Mockup of a browsing system for digital libraries (Aurélien Bénel).
• v1 (1999)
  • Algorithm for multidimensional browsing (Aurélien Bénel).
  • User interface for multidimensional browsing (Franck Eyraud).
• v2 (2000)
  • Annotation system and document server (Mehdi Lababidi) .
  • Structure server (Thomas Buisson).
  • User interface enhanced (Aurélien Bénel).
• v3 (2001-2002)
  • Distributed servers (Thomas Buisson).
  • First use of Web services (Rémi Huynh, Olivier Martin, Élodie Tasia, Rodolphe Vatré, Jocelyn Viallon)
  • User interface enhanced (Aurélien Bénel).
• v4 (2003-2006)
  • Patent search (Caroline Djambian).
  • State of the art in open-source licenses and community management (Michel Nux)
  • Refactoring (Guillaume Deshors, Julien Gossa, Baptiste Meurant)
  • User interface enhanced (Aurélien Bénel).
• v5 (2006-2010)
  • Compliance with Hypertopic protocol v1 (Aurélien Bénel).
  • Tag-cloud based visualization (Aurélien Bénel, Chao Zhou).
• v6 (2010-2011)
  • Compliance with Hypertopic protocol v2 (Aurélien Bénel).