Data incremental approach for Dynamic environment using Rough set theory

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Provided by: International Journal of Scientific Research and Management
Topic: Big Data
Format: PDF
Approximations of a concept by a Variable Precision Rough-Set model (VPRS) usually vary under a dynamic information system environment. It is thus effective to carry out incremental updating approximations by utilizing previous data structures. This paper focuses on a new incremental method for updating approximations of VPRS while objects in the information system dynamically alter. It discusses properties of information granulation and approximations under the dynamic environment while objects in the universe evolve over time.
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