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Tai Nguyen So - Vietnam National University, Ha Noi - VNU >
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| Title: | Hedge algebra based type-2 fuzzy logic system and its application to predict survival time of myeloma patients |
| Authors: | Phong P.A.
Dong D.K.
Khang T.D. |
| Keywords: | |
| Issue Date: | 2009 |
| Publisher: | KSE 2009 - The 1st International Conference on Knowledge and Systems Engineering |
| Citation: | Volume , Issue , Page 13-18 |
| Abstract: | In this paper, we propose a method to construct hedge algebra based type-2 fuzzy logic systems (HA-T2FLS). In these fuzzy logic systems, the footprints of uncertainty (FOU) of type-2 fuzzy sets are optimized by genetic algorithm and the dispersion of data. The key ingredient of our system is the concept of centroid of hedge algebra based type-2 fuzzy sets. It is used in the type-reducing of the HA-T2FLS, and transforming interval type-2 fuzzy sets to hedge algebra based type-2 fuzzy sets. As an application, we show how hedge algebra based type-2 fuzzy logic systems can be used to predict survival time of myeloma patients. The results show that hedge algebra based type-2 fuzzy logic systems are more accurate than type-1 and interval type-2 fuzzy logic systems in this class of problems. © 2009 IEEE. |
| URI: | http://tainguyenso.vnu.edu.vn/jspui/handle/123456789/13287 |
| ISSN: | |
| Appears in Collections: | New - Articles of Universities of Vietnam from Scopus
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