[1] |
Chan, C. C.: A rough set approach to attribute generalization in data mining. Journal of information sciences 107, 169-176 (1998) |

[2] |
Jagielska, I.; Matthews, C.; Whitfort, T.: An investigation into the application of neural networks, fuzzy logic, genetic algorithms, and rough sets to automated knowledge acquisition for clssification problems. Neurocomputing 24, 37-54 (1999) · Zbl 0922.68096 |

[3] |
Kryszkiewicz, M.: Rough set approach to incomplete information systems. Information sciences 112, 39-49 (1998) · Zbl 0951.68548 |

[4] |
T.Y. Lin, Neighborhood systems and relational database, in: Proceedings of CSC’88, 1988 |

[5] |
Lin, T. Y.: Neighborhood systems -- application to qualitative fuzzy and rough sets. Advances in machine intelligence and soft-computing, department of electrical engineering, duke university, Durham, NC, USA, 132-155 (1997) |

[6] |
Lin, T. Y.; Lin, Q.; Huang, K. J.; Chen, W.: Rough sets, neighborhood systems and application. Methodologies for intelligent systems, Proceedings of the fifth international symposium on methodologies of intelligent systems, knoxville, TN, October 25--27, 130-141 (1990) |

[7] |
Lin, T. Y.; Yao, Y. Y.: Mining soft rules using rough sets and neighborhoods. Proceedings of the symposium on modelling, analysis and simulation, computational engineering in systems applications (CESA’96), IMASCS multiconference, Lille, France, July 9--12, 1095-1100 (1996) |

[8] |
Nanda, S.; Majumda, S.: Fuzzy rough sets. Fuzzy sets and systems 45, 157-160 (1992) · Zbl 0749.04004 |

[9] |
Orlowska, E.: Semantics analysis of inductive reasoning. Theoretical computer science 43, 81-89 (1986) |

[10] |
Orlowska, E.: Kripke semantics for knowledge representation logics. Studia logica 49, 255-272 (1990) · Zbl 0726.03023 |

[11] |
Pawlak, Z.: Rough sets. International journal of computer and information science 11, 341-356 (1982) · Zbl 0501.68053 |

[12] |
Pawlak, Z.: Rough classification. International journal of man--machine studies 20, 469-483 (1984) · Zbl 0541.68077 |

[13] |
Pomykala, J. A.: Approximation operations in approximation space. Bulletin of the Polish Academy of sciences: mathematics 35, 653-662 (1987) |

[14] |
Pomykala, J. A.: On definability in the nondeterministic information system. Bulletin of the Polish Academy of sciences: mathematics 36, 193-210 (1988) |

[15] |
Slowinski, R.; Vanderpooten, D.: Similarity relation as a basis for rough approximations. Advances in machine intelligence and soft-computing, department of electrical engineering, duke university, Durham, NC, USA, 17-33 (1997) |

[16] |
Tsumoto, S.: Automated extraction of medical expert system rules from clinical databases based on rough set thoery. Information sciences 112, 67-84 (1998) |

[17] |
Wasilewska, A.: Conditional knowledge representation systems -- model for an implementation. Bulletin of the Polish Academy of sciences: mathematics 37, 63-69 (1987) |

[18] |
Wybraniec-Skardowska, U.: On a generalization of approximation space. Bulletin of the Polish Academy of sciences: mathematics 37, 51-61 (1989) · Zbl 0755.04011 |

[19] |
Yao, Y. Y.; Lin, T. Y.: Generalization of rough sets using modal logic. Intelligent automation and soft computing, an international journal 2, 103-120 (1996) |

[20] |
Yao, Y. Y.; Lin, T. Y.: Graded rough set approximations based on nested neighborhood systems. Proceedings of 5th European congress on intelligent techniques and soft computing, Aachen, Germany, September 8--11, 196-200 (1997) |

[21] |
Yao, Y. Y.: Generalized rough set models. Rough sets in knowledge discovery: 1. Methodology and applications, 286-318 (1998) · Zbl 0946.68137 |

[22] |
Yao, Y. Y.: Relational interpretations of neighborhood operators and rough set approximation operators. Information sciences 111, 239-259 (1998) · Zbl 0949.68144 |

[23] |
Y.Y. Yao, Neighborhood systems and approximate retrieval, Technical Report TR 2000-02, 2000, Regina University, Canada. Available from www.cs.uregina.ca/Research/techreport.html · Zbl 1119.68074 |

[24] |
Ziarko, W.: Variable precision rough set model. Journal of computer and system sciences 46, 39-59 (1993) · Zbl 0764.68162 |