“…However, in most cases, the long-term effects of this type of large events are not investigated, implying controversial social impacts on the urban communities affected by the transformations (Minner et al, 2022). Geospatial technologies and open-source tools could answer these needs, not only by computing statistics on the short term (Migliaccio et al, 2019), but also supporting complex urban transformation analysis over a longer period, also implying the possibility to engage citizens in the governance process through web and interactive tools (Alicandro et al, 2022). The work proposed in this paper regards the design and implementation of a georeferenced database, for the development of a GIS and its publication on the web through open-source technologies.…”