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We use the Detrended Cross-Correlation Analysis (DCCA) to investigate the influence of sun activity represented by sunspot numbers on one of the climate indicators, specifically rivers, represented by river flow fluctuation for Daugava, Holston, Nolichucky and French Broad rivers. The Multifractal Detrended Cross-Correlation Analysis (MF-DXA) shows that there exist some crossovers in the cross-correlation...
Despite the benefits of data mining in a wide range of applications, this technique has raised some issues related to privacy and security of individuals. Due to these issues, data owners may prevent to share their sensitive information with data miners. In this paper, we introduce a novel approach for privacy preserving clustering (PPC) over centralized data. The proposed technique uses Haar wavelet...
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