By Kato Mivule The latest state-of-the-art in data privacy, proposed by Cynthia Dwork (2006). Differential privacy enforces confidentiality by: Returning perturbed aggregated query results from databases. Such that users cannot discern if any data item has been altered or not. An attacker cannot derive info about any data item in the database. According to Dwork [...]
Archive for August, 2011
A Summary on Differential Privacy
Posted in Tutorials and Papers on August 24, 2011 | Leave a Comment »
A Summary on Noise Addition for Data Privacy
Posted in Tutorials and Papers on August 24, 2011 | Leave a Comment »
By Kato Mivule Noise addition: A stochastic value is added to confidential numeric attributes. The stochastic value is chosen from a normal distribution with zero mean and a diminutive standard deviation. First publicized by Jay Kim (1986) with the expression that Z = X + ɛ Where Z is the transformed data point X is [...]
