TY - GEN AU - Hala Mosaad Ibrahim Ebaid AU - Mohamed Shawky Elghazali , AU - Moustafa Ahmed Baraka , TI - Role of location based services (LBS) technology in mapping using high accuracy real time GPS positioning / PY - 2007/// CY - Cairo : PB - Hala Mosaad Ibrahim Ebaid , KW - GPS KW - Internet KW - LBS KW - RTK N1 - Thesis (Ph.D.) - Cairo University - Faculty Of Engineering - Department Of Civil Engineering; Issued also as CD N2 - There is a growing need for real time access to spatial data in different engineering field , The emerging technology of location based services (LBS) is a strong candidate that could meet these needs.This research work is accomplished in two stages ER -