| 1993: Essex (UK) |
| 1994: Alicante (Spain) |
| 1996: Montpellier (France) |
| 1998: Ames, Iowa (USA) (www) |
| 2000: Lisbon (Portugal) (www) |
| 2002: Amsterdam (The Netherlands) (www) |
| 2004: Athens (Greece) |
| 2006: Tokyo (Japan) (www) |
| 2008: Saint-Malo (France) (www) |
| The ICGI DBLP (www) |