por International Conference on Electronic Commerce and Web Technologies (7 : 2006 : Cracovia, Polonia) | Bauknecht, Kurt, 1936- [editor] | Pröll, Birgit [editor] | Werthner, H, 1954- [editor].
por W2GIS 2004 (4 : 2004 : Koyang-gun, Corea) | Kwaeon, Yaeng-jin [editor] | Bouju, Alain [editor] | Claramunt, Christophe [editor].
por Asia-Pacific Web Conference (7 : 2005 : Shanghai, China) | Zhang, Yanchun [editor].