A computer implemented {HEAD ~ method} for determining {TAIL ~ a requested map location} includes providing a database holding a plurality of map objects having respective descriptors and loci 
for determining
A computer implemented { HEAD ~ method } for determining { TAIL ~ a requested map location } includes providing a database holding a plurality of map objects having respective descriptors and loci
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH