Probabilistic Rough Classification in Information Systems with Fuzzy Decision Attributes
Journal: International Journal of Science and Research (IJSR) (Vol.4, No. 6)Publication Date: 2015-06-05
Authors : B. Venkata Ramana; L. Padma Sree; M. Srinivasa Rao; G. Ganesan;
Page : 186-190
Keywords : information system; rough set; probabilistic rough set; rough index;
Abstract
In 2004, G. Ganesan et. al introduced the concept of indexing any information system with fuzzy decision attributes using a threshold. These indices are based on the two way approach of Pawlak-s rough sets. However, the approach of Pawlak lacks in quantifying the importance of any basic granule which involve in the approximation. Later, Y. Y. Yao discussed a new Probabilistic Rough Set model which appropriately quantifies the appropriate basic granules. In this paper, we extended the work of G. Ganesan et. al. , for the Probabilistic Rough Set Model to improve the efficiency of rough indices in the information system with fuzzy decision attributes.
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