Il GIS della necropoli Davanzali di Numana (AN): proposte per l'analisi del rituale funerario nel IV-III sec. a.C.

The research project focusing on the necropolis Davanzali of Numana is the result of a recent agreement among the University of Bologna, the Superintendence Archaeology Fine Arts and Landscape of Marche and the National Archaeological Museum of Ancona. This study aims to analyse a remarkable number of graves, starting from a rich and detailed documentation and it has already considered a large amount of data, being processed with the GIS (QGIS), which integrates the plan of the necropolis and the drawings of the single graves. When linked to a spatial database PostgreSQL, the GIS becomes a powerful analysis device, useful to examine many different aspects of the research, such as funerary rituals: with it, the changes of the rituality can be examined in a diachronic and spatial perspective, since it is possible to visualize the occupation phases and the deposition modalities of the grave goods. This article focuses on the elements of transformation and continuity for those funerary rituals performed in the Davanzali necropolis during the 4th and 3rd century BC, considering the analysis of the occurrence of significant objects inside the grave goods, in particular imported and locally produced pottery.