Efficient valid scope computation for location-dependent spatial queries in mobile and wireless environments.

Ken C. K. Lee Wang-Chien Lee Hong Va Leong Brandon Unger Baihua Zheng Efficient valid scope computation for location-dependent spatial queries in mobile and wireless environments. 131-140 2009 ICUIMC http://doi.acm.org/10.1145/1516241.1516264 conf/icuimc/2009 db/conf/icuimc/icuimc2009.html#LeeLLUZ09