Hua Lu, Zhiyong Huang, Christian S. Jensen, Linhao Xu. Distributed, Concurrent Range Monitoring of Spatial-Network Constrained Mobile Objects. In Dimitris Papadias, Donghui Zhang, George Kollios, editors, Advances in Spatial and Temporal Databases, 10th International Symposium, SSTD 2007, Boston, MA, USA, July 16-18, 2007, Proceedings. Volume 4605 of Lecture Notes in Computer Science, pages 403-422, Springer, 2007. [doi]