3Rogers, B. , Corwin, B. , Riley, V. , Quarry, S. , Dwyer, D.. Airborne-Based Conflict Probe NEXTOR Report RR-98-3 [R]. 1998.
4Kuchar, J. K. , Yang, L. C.. A review of conflict detection and resolution modeling methods [J ]. IEEE Transactions on Intelligent Transportation Systems, 2000,1 (4) : 179 - 189.
8Fung, G.. A comprehensive overview of basic clustering algorithms [ R]. Technical report, http://www. cs. wisc. edu/-gfung/clustering.pdf, 2001.
9Fisher, W. D.. On grouping for maximum homogeneity[J]. American Statistic Assocmtion Journal, 1958: 789-798.
10Wang, J. , Tong, T.. Research on ordinal cluster division for maintenance road section [C]. Second International Conference on Intelligent Computation Technology and Automation, IEEE Computer Society, 2009,3 : 707-710.
