Depersonalizing location traces

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8463289
APP PUB NO 20120322458A1
SERIAL NO

13163396

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Importance

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Abstract

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Positional information is provided while minimizing the possibility that personally identifiable information can be derived therefrom. Positional information is received in the form of trails that can be aggregated. Individual cells of a grid reflect a quantity of aggregated trails through those cells, an average intensity and direction of movement through those cells, or a more detailed distribution thereof. Alternatively, individual trails are aggregated to an aggregated trail in the form of a line. Further obfuscation of personally identifiable information occurs by resampling aggregated positional information, by introducing false positional information, or by falsely modifying existing positional information, in a manner that does not impact the overall aggregations, and by pruning, or deleting, positional information, especially around sensitive locations, such as a user's home, place of business, or other location that users typically would seek to keep private. Provision of positional information is delayed until a sufficient amount is received.

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Patent Owner(s)

Patent OwnerAddress
MICROSOFT TECHNOLOGY LICENSING LLCONE MICROSOFT WAY REDMOND WA 98052

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Beckman, Brian New Castle, US 34 298
Cartier, Kenn Daniel Redmond, US 1 26
Herzog, Shai Bellevue, US 27 743
Johnston, Bernard Lawrence Lafayette, US 1 26
Kimchi, Gur Bellevue, US 153 3388
Ofek, Eyal Redmond, US 153 2724
Shklarski, Gil Redmond, US 7 52

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