Abstract
Rule acquisition is one of the main purposes in the analysis of decision formal contexts. Up to now, there have existed several types of rules (e.g., the decision rules and the granular rules) in decision formal contexts. This study firstly proposes a new algorithm with less time complexity for deriving the non-redundant decision rules from a decision formal context. Then, we invesigate decision rules and the granular rules in the consistent decision formal contexts and make a contrast between the decision rule oriented knowledge reduction and the granular rule oriented knowledge reduction. Finally, some experiments are conducted to assess the efficiency of the proposed rule acquisition algorithm.


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Acknowledgments
The authors would like to thank the anonymous reviewers for their valuable comments and helpful suggestions which lead to a significant improvement on the manuscript. This work was supported by the National Natural Science Foundation of China (Nos. 10971161, 61005042, 11071281 and 61202018).
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Li, J., Mei, C., Kumar, C.A. et al. On rule acquisition in decision formal contexts. Int. J. Mach. Learn. & Cyber. 4, 721–731 (2013). https://doi.org/10.1007/s13042-013-0150-z
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DOI: https://doi.org/10.1007/s13042-013-0150-z