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Spatial outlier detection can be applied in the finding of terrorist activities and the forecast of abnormal climate activity etc. For protecting privacy information and mining spatial outliers, we presented privacy preserving spatial outlier mining algorithm. By the definition and application of secure multiparty computation protocols based on semi-honest(More)
Because spatial data are usually high-dimensional, complex and mass, we categorize the attributes of each spatial data object as spatial attributes and non-spatial attributes. We use spatial attributes to construct spatial index and determine spatial neighborhood, and use non-spatial attributes to compute outlying degree and spatial outlying degree factor,(More)
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