Mobile user position privacy protection method for avoiding attacks performed through circular region overlapping parts
A mobile user and user technology, applied in the direction of location information-based services, security devices, electrical components, etc., can solve the problems of increasing user workload, privacy leakage, etc., to reduce query time, protect location privacy, and improve query efficiency Effect
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[0017] Combine below attached drawing A further detailed description of the implementation of the technical solution of the implementation case:
[0018] This implementation case adopts user viewing record collection, user personal social relationship analysis, and program recommendation based on content matching to accurately provide personalized TV program push. Such as figure 1 , figure 2 As shown, this method includes the following steps:
[0019] Step 10, the user sends his own position l, the required confidence level cl and the number k of interest points to be queried to the intermediate device.
[0020] Step 20, the intermediate device performs fuzzy processing on the user's location, converts the real location l into a circular area CR, and processes the parameters, specifying a value greater than the execution level cl and the number of query results k required by the user cl' and k' (set the value of the execution level cl' to the maximum value 1, and set ...
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