[7]Lu Yi,Du Jing-hai, Zhai Jing-sheng. A model of point cluster generalization with spatial distribution features recognized and measured [A]. In:Proceedings of 20th International Cartographic Conference [C], Beijing: Publishing House of Surveying and Mapping,2001: 2123~2128.
[5]
[9]Holland J H. Outline for a logical theory of adaptive systems[J].Journal of the Association for Computing Machinery. 1962,9(3):297~314.