 Finally, an object of a path class is like an object of a simple class, but contains additionally a list of references to node and edge objects which form a path over the database graph.Represent a data model to store geographic information on top of EER model, GEIS define the input data model and provide the following for data model
Geometry.In the GISER model, geometry is an entity that is related to a spatial object by the relationship
determines shape of.