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

The Porphyry software is intended to explore corpora through several concurrent categorisation systems, owing to an innovative interactive visualization based on co-occurrences.

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

Credits

Project Management: Aurélien Bénel

• v0 (1998): Aurélien Bénel designed a simple browsing system for digital libraries.
• v1 (1999): Aurélien Bénel created an algorithm for multidimensional browsing, and Franck Eyraud the corresponding user interface.
• v2 (2000): Aurélien Bénel enhanced the user interface. Mehdi Lababidi created the first annotation system (see LaSuli), and the first document server (see Steatite). Thomas Buisson created the first structure server (see Argos).
• v3 (2001-2002): Aurélien Bénel, Thomas Buisson, Rémi Huynh, Olivier Martin, Élodie Tasia, Rodolphe Vatré, Jocelyn Viallon
• v4 (2003): Tiphaine Accary, Aurélien Bénel, Guillaume Deshors, Caroline Djambian, Julien Gossa, Baptiste Meurant, Michel Nux
• v5 (2006-2010): Aurélien Bénel, Chao Zhou
• v6 (2010-)