Description:This volume, aimed at graduate students, computer experts and researchers in urban planning, presents the contributions to a workshop held in Geneva in 2006, that was convened to address emerging issues in the field of urban development. Contributions come from a huge variety of interested parties, ranging from construction to urban tourism and from transport infrastructure to resource visualization. The volume represents a valuable overview of major current issues in the field of urban ontologies and encapsulates many useful and different approaches.