Changjun Jiang Zhaohui Zhang Guosun Zeng Hong-Zhong Chen Duo-Qian Miao Yu Fang Xiaofeng Tao Qing Zhi Feng Yue Yang Luo Anqing Zhou Lin Chen Lei Liu Urban Traffic Information Service Application Grid. 134-140 2005 20 J. Comput. Sci. Technol. 1 http://dx.doi.org/10.1007/s11390-005-0015-3 db/journals/jcst/jcst20.html#JiangZZCMFTZYLZCL05