Abstract
In this paper, as a naturally generalization of classical information systems, lattice-valued information systems based on dominance relation is proposed. An approach for ranking all objects in this system is constructed consequently, and decision makers can find objects with better property to make an useful and effective decision. In addition, the rough set approach to lattice-valued information systems based on dominance relation is established. And evidence theories in this system are formulated for the analysis of lattice-valued information systems based on dominance relation. What is more, in order to acquire concise knowledge representation and extract much simpler decision rules, the methods of attribute reductions based on discernibility matrix and evidence theory are investigated carefully. These results will be helpful for decision-making analysis in lattice-valued information systems based on dominance relation.
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Acknowledgments
The authors would like to thank the anonymous referees for their valuable comments and suggestions. This work is supported by National Natural Science Foundation of China (No. 61105041, 71071124 and 11001227), Postdoctoral Science Foundation of China (No. 20100481331) and Natural Science Foundation Project of CQ CSTC (No. cstc2011jjA40037).
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Xu, W., Liu, S. & Zhang, W. Lattice-valued information systems based on dominance relation. Int. J. Mach. Learn. & Cyber. 4, 245–257 (2013). https://doi.org/10.1007/s13042-012-0088-6
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DOI: https://doi.org/10.1007/s13042-012-0088-6