Title:
A system and a method for an anonymity-ized user list count
Document Type and Number:
Japanese Patent JP5992569
Kind Code:
B2
Abstract:
A computer system includes a database configured to receive a query and to produce a list of User IDs and an anonymization module. The anonymization module is configured to receive a list of user IDs in response to a query, the list of user IDs defining a true user count, generate a noisy user count of the list of user IDs, compare the true user count to a first threshold value stored in memory, compare the noisy user count to a second threshold value stored in memory, and output the noisy user count only if the true user count is greater than the first threshold value and the noisy user count is greater then the second threshold.
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Inventors:
Sebastian Propst Aide
Paul Francis
Felix Bower
Matthias Kretschner
Christian Daniel Berneanu
Sasha Yurich
Paul Francis
Felix Bower
Matthias Kretschner
Christian Daniel Berneanu
Sasha Yurich
Application Number:
JP2015068678A
Publication Date:
September 14, 2016
Filing Date:
March 30, 2015
Export Citation:
Assignee:
Max Plank Gesell Shaft Tool Forderung Del Wissenschaften Afao
International Classes:
G06F17/30; G06F21/62
Foreign References:
| WO2013121739A1 |
Other References:
Ali Inan,Private Record Matching Using Differential Privacy,Proceedings of the 13th International Conference on Extending Database Technology ,ACM,2010年,pp.123-134
Attorney, Agent or Firm:
Makoto Onda
Hironobu Onda
Atsushi Honda
Hironobu Onda
Atsushi Honda