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Approximation Spaces and Definability for Incomplete Information Systems
1998Incomplete information systems are approached here by general methods of rough set theory (see Pawlak [6, 7]). We define approximation spaces of incomplete information systems and study definability and strong definability of sets of objects.
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Knowledge granulation in incomplete information systems
2011 International Conference on System science, Engineering design and Manufacturing informatization, 2011In this paper, a new measure of knowledge granulation for incomplete information systems is proposed, which is characterized by mathematical expectation of lengths of granules. We also discuss some important properties. From these properties, it can be shown that the proposed knowledge granulation provides important approaches to measuring the ...
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A Control Problem for Parabolic Systems with Incomplete Information
2019In this paper, abstract parabolic control systems in Hilbert space are considered. The state of the system is unknown, but there is an equation of measurement in discrete times. The initial state and disturbances are restricted by joint integral constraints.
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Complete and Incomplete Knowledge in Logical Information Systems
2001We present a generalization of logic All I Know by presenting it as an extension of standard modal logics. We study how this logic can be used to represent complete and incomplete knowledge in Logical Information Systems. In these information systems, a knowledge base is a collection of objects (e.g., files, bibliographical items) described in the same
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Integrated Study in Incomplete Information System
2009 International Conference on Artificial Intelligence and Computational Intelligence, 2009Both rough set theory and D-S evidence theory are important methods in uncertainty reasoning, and each one has its own advantages and disadvantages. Incomplete information system exists widely in real life. In this paper, two theories are used in combination to study the incomplete information system.
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Robustness analysis of power system under sequential attacks with incomplete information
Reliability Engineering and System Safety, 2023Haicheng Tu +2 more
exaly
Incomplete information in database systems
1980 19th IEEE Conference on Decision and Control including the Symposium on Adaptive Processes, 1980openaire +1 more source
A novel three-way decision model based on incomplete information system
Knowledge-Based Systems, 2016Dun Liu, Decui Liang
exaly
Dominance-based rough set approach and knowledge reductions in incomplete ordered information system
Information Sciences, 2008Xibei Yang, Dongjun Yu
exaly