Quadtree spatial indexing use to make faster showing geographical map in mobile geographical information system technology using an oracle 10g application server and mapviewer appl... nork Maruto Masserie Sardadi, 1982-, author, Mohd. Shafry Mohd. Rahim, author, Zahabidin Jupri, supervisor, author, Daut Daman, author, International Journal of Computer Science and Network Security (2008)i