Constructing Galios Lattice in Hybrid Datasets Based on Rough Set Theory
Existing constructing concept lattice methods cannot process continuous and hybrid attributes in forml eocnept analysis. This paper extended the existing definition of discretization based on cut splitting and gave the definition of frequency weightiness function about cut-splitting firstly. Then, a new approach was proposed to constructing Galois lattice afier discretizing continuous and hybrid attributes. The introduced approach emphasized on the weightiness of cut-splitting in the process of discretization of continuous attributes, so the approach helped to simplify the classing design and to remain data information in original data table. In order to explore the application of the proposed method, we perform the experiments on datasets from UCI repository. The resultes verifie that the introduced approach is valid and feasible.
Wu Qiang Liu Zongtian Shi Zhenguo
Department of Computer Science and Technology, Shaoxing University, Shaoxing 312000, China School of School of Computer Engineering and Science, Shanghai University, Shanghai 200072,China
国际会议
长沙
英文
767-771
2008-10-20(万方平台首次上网日期,不代表论文的发表时间)