1. Han, K.J.: Standardization and Research Development of Location-Based Service (LBS). In: Informationization Policy, 4th edn., vol. 10 (2003)
2. Korea IT Industry Promotion Agency: Location-Based Service (LBS), Software Market News of Korea IT Industry Promotion Agency (2003)
3. WaveMarket Incorporated: A System that Provides Alert-Based Service to Base Stations from Wireless Communication Network. Korea’s Public Patent Notification, Application # 10-2004-700651 (2004)
4. Min, K.W., Cho, D.S.: Moving Object Position Acquisition Technique for LBS. Thesis Magazine of Korea Information Processing Society 1 (2003)
5. Yun, J.K., Kim, D.O., Han, K.J.: Development of Real-Time Mobile GIS supporting the open Location Service. In: Proc. of Geotec Event Conference (2003)