Wei Gu Xin Wang Liqiang Geng STFLS: A Heuristic Method for Static and Transportation Facility Location Allocation in Large Spatial Datasets. 211-214 2009 Canadian Conference on AI http://dx.doi.org/10.1007/978-3-642-01818-3_26 conf/ai/2009 db/conf/ai/ai2009.html#GuWG09