The matches of process and binds discs in two data bases: a data base of address (without
The matches of process and binds discs in two data bases: a data base of address (without information of position of chart) and a plan of town of reference, this fact labelling the address with the correct position of chart, such as co-ordinates of latitude-longitude. Linear reference - data on networks of utility and transport are continued to employ a measurement of a fixed point of reference along a route.