Collaborative business ecosystems and virtual enterprises : IFIP TC5/WG5.5 : third working conference on infrastructures for virtual enterprises (PRO-VE'02) : May 1-3, 2002, Sesimbra, Portugal. : May 2002, Sesimbra, Portugal.
Collaborative business ecosystems and virtual enterprises : IFIP TC5/WG5.5 : 3rd working conference on infrastructures for virtual enterprises (PRO-VE'02) : May 1-3, 2002, Sesimbra, Portugal