Archaeological data and reliability criteria. A GIS measurement proposal for the study of the Mignone Valley

The contribution focusing on a solution developed in a GIS environment for the definition of "reliability criteria" for archaeological evidence information from historical sources, ancient cartography, published studies, excavations, and surface surveys. The PhD research conducted in the context of the Marta and Mignone Valleys, aimed to reconstructing the forms of peopling and development of the geographical area between the fall of the empire and the alum’s rediscovery highlighted the criticalities inherent in archaeological information that was not entirely reliable because it came from previous studies or confused mentions, sometimes not totally sufficient to constitute a solid data base on which to anchor the final reflections. The simple solution identified by exploiting the attribute tables linked to each vector could be a useful tool for the critical evaluation of the input data exploited for the GIS analysis on an archaeological landscape.