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- W4311399275 abstract "In the age of data, data mining provides feasible tools with which to handle large datasets consisting of data from multiple sources. However, there is limited research on retrieving statistical information from data when data are confidential and cannot be shared directly. In this paper, we address this problem and propose a framework for performing data analysis using data from multiple sources without revealing true values for privacy purposes. The proposed framework includes three steps. First, data custodians individually mask data before publishing; then, the masked data collection is used to reconstruct the density function of the original dataset, from which resampled values are generated; last, existing data mining techniques are applied directly to the resampled data. This framework utilises the technique of reconstructing an original density function from noise-masked data using the moment-based density estimation method, which plays an essential role. Simulation studies show that the proposed framework performs well; analysis results from the resampled data are comparable to those of the original data when the density of the original data is estimated well. The proposed framework is demonstrated in data clustering analysis using the example of a real-life Australian soybean dataset. Results from the k-means algorithms with two and three fitted clusters are presented to show that cluster analysis using resampled data can well replicate that of the original data." @default.
- W4311399275 created "2022-12-26" @default.
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- W4311399275 date "2022-12-14" @default.
- W4311399275 modified "2023-09-25" @default.
- W4311399275 title "Privacy Protection Practice for Data Mining with Multiple Data Sources: An Example with Data Clustering" @default.
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- W4311399275 doi "https://doi.org/10.3390/math10244744" @default.
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