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 - Úlfar Erlingsson, Vasyl Pihur, and Aleksandra Korolova.
   [*RAPPOR: Randomized Aggregatable Privacy-Preserving Ordinal Response*](https://arxiv.org/pdf/1407.6981.pdf).
   CCS 2014.
+- Matthew Joseph, Aaron Roth, Jonathan Ullman, and Bo Waggoner.
+  [*Local Differential Privacy for Evolving Data*](https://arxiv.org/abs/1802.07128).
 
 ### Applied Cryptography
 - Benjamin Braun, Ariel J. Feldman Zuocheng Ren, Srinath Setty, Andrew J.  Blumberg, and Michael Walfish.