BIBCYT http://bibcyt.ucla.edu.ve/cgi-win/be_alex.exe?Ultimo&Nombrebd=BIBCYT UCLA - Biblioteca de Ciencias y Tecnologia Felix Morales Bueno Kavassalis, Petros P Principal Stelios, Lelis P Principal Mahmoud, Rafea P Principal Haridi, Seif. P Principal Open communication standards are making possible the virtual equivalent of real city life, enabling delivery of such essential services as 911 emergency calls, traffic and health alerts, and market and medical information in real or near real time. This article explores the underlying technology frameworks and open standards needed to build the foundations for these and other information cities. An information city is a large Internet-based site offering a range of online services, including access to socia Vol: 47 p51; 28 cm.; il.