Hypergeo is a free-access electronic encyclopaedia devoted to the epistemology of geography, and developed according to a hypertext architecture. It aims to make the main concepts and theories of contemporary geography available to teachers and students. The terms presented by Hypergeo are arranged in the following manner: a general field of Geography is backed up by three main paradigms: the spatial patterns of societies, territories and regions, societies and environment. Hypergeo is a GDR Libergeo and S4 publication.

-Review committee: S. Berroir, H. Chamussy, F. Durand-Dastes, D. Eckert, B. Elissalde, A. Fleury, C. Grataloup, G. Hugonie, C. Kosmopoulos, G.Palsky, P.Pech, D. Pumain, M.-C. Robic, Th. Saint Julien, F.Santamaria, N. Verdier
– Computer developments :
C. Kosmopoulos, R. Le Goix, D. Marie-Magdelaine, A. Peyralbes, A. Touret
– Cartography
E. Chavinier
– Translations
Pr. G. Zamorano (Esp), T. Hanquet, Ph DeBoe, V. Hobson, A. Verdier (Eng)
– Contributors
F. Alexandre, C. Aschan-Leygonie, D. Badariotti, M.Baron, A. Berque, S.Berroir, J.M. Besse, M. Blidon, J.Blot, A.Brennetot, B. Bret, A.Bretagnolle, M. Bruneau, S.Brunel, L. Brigand, N.Cattan, H. Chamussy, L. Chapelon,
P. Clerc, A. Clerval, B. Collignon,E. Cunningham-Sabot, B. Debarbieux, S. Débarre, F. Durand-Dastes, D. Eckert, B. Elissalde, N.Fau, A. Fleury, S.Fol, A.François, J.C. François, A. Génin, C.Ghorra-Gobin, L.Goeldner-Gianella, C. Gosme, C. Grasland, C. Grataloup, Y. Guermond, J.P. Haghe, A.Hequette, G. Hugonie, A.L.Humain-Lamoure, A.Jégou, Y.Lageat, P. Langlois, A.Laporte, Ch. Levêque, M. Le Dérout,
R. Le Goix, J.P. Marchand, Y. Marchand-Vaguet, A. Miossec, D.Mouralis, T. Muxart, O.Orain, S. Ormaux, M.V. Ozouf-Marignier, G. Palsky, L. Péaud, P.Pech, D. Provitolo, D. Pumain, M.Rasse,
B. Reitel, A. Reynaud, Y.Richard, L. Rieutort, F.Ripoll, M.C. Robic, S. Rosière, H.Roth, C. Rozenblat, S. de Ruffray, Th. Saint-Julien, L. Sanders, F. Santamaria, L. G. Simões, A.Spire, J.L. Tissier,
L. Touchart, N. Verdier, Y. Veyret, H.Vieillard-Baron, J.C. Wieber, D. Wolff, P. Zander, C. Zanin
-Coordination:
B. Elissalde