This volume contains the proceedings of UIC 2009 the 6th International C- ference on
Ubiquitous Intelligence and Computing: Building Smart Worlds in Real and Cyber Spaces. The UIC
2009 conference was technically co-sponsored by the IEEE and the IEEE Computer Society
Technical Committee on Scalable Computing. The conference was also sponsored by the Australian
Centre of - cellence in Information and Communication Technologies (NICTA). UIC 2009 was
accompanied by six workshops on a variety of research challenges within the area of ubiquitous
intelligence and computing. The conference was held in Brisbane Australia July 7-9 2009. The
event was the sixth meeting of this conference series. USW 2005 (First International Workshop
on Ubiquitous Smart World) held in March 2005 in Taiwan was the ?rst event in the series.
This event was followed by UISW 2005 (Second International Symposium on Ubiquitous Intelligence
and Smart Worlds) held in December 2005 in Japan. Since 2006 the conference has been held
annually under the name UIC (International Conference on Ubiquitous Intelligence and
Computing). UIC 2006 was held in September 2006 in Wuhan andThreeGorges China
followedbyUIC2007heldinJuly2007inHongKong and UIC 2008 held in June 2008 in Oslo Norway.
Ubiquitous sensors computers networksand informationare paving the way
towardasmartworldinwhichcomputationalintelligenceisdistributedthrou- out the physical
environment to provide reliable and relevant services to people.
