Sungwon Jung Sakti Pramanik HiTi Graph Model of Topographical Roadmaps in Navigation Systems. 76-84 ICDE96/P076.pdf 1996 ICDE db/conf/icde/icde96.html#JungP96 conf/icde/96 https://doi.org/10.1109/ICDE.1996.492091 https://doi.ieeecomputersociety.org/10.1109/ICDE.1996.492091 journals/tods/AgrawalDJ90 journals/tkde/AgrawalJ94 ... journals/ai/Gelperin77 conf/icde/HuaS93 conf/vldb/IoannidisR88 journals/tods/IoannidisRW93 ... conf/icde/Jiang90 ... conf/eds/KungHISSS84 ... ... journals/tse/QadahHK91 conf/sigmod/RosenthalHDM86 ... conf/icde/ShekharKC93 conf/icde/TorosluQ93