The model of the city: data variety, operability and interfaces

In smart cities sector, the development of interoperable databases may be oriented towards interf...aces and representations of specific topics thanks to interaction between information on urban fabric and Information and Communication Technologies - ICTs. User categories visualize selections of information using Virtual City Model - VCM. This paper proposes a prototype to verify issues linked to representation of information, selectable according to the level of detail at different scales.