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Manos Katsomallos 2021-11-02 18:34:33 +01:00
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@ -10,8 +10,9 @@ We reviewed the existing literature regarding methods on privacy-preserving cont
\item We identified the privacy protection algorithms and techniques that each work is using, focusing on feature like the privacy method, operation, attack, and protection level. \item We identified the privacy protection algorithms and techniques that each work is using, focusing on feature like the privacy method, operation, attack, and protection level.
\item We organized the reviewed literature in a tabular form to allow for a more efficient indexation of the related works, using a number of relevant features. \item We organized the reviewed literature in a tabular form to allow for a more efficient indexation of the related works, using a number of relevant features.
\end{itemize} \end{itemize}
% \kat{mention here again that the work appears in the article... in the journal...}
\kat{mention here again that the work appears in the article... in the journal...} This work appeared in the special feature on Geospatial Privacy and Security of the $19$th
journal of Spatial Information Science~\cite{katsomallos2019privacy}.
\paragraph{Configurable privacy protection for time series} \paragraph{Configurable privacy protection for time series}
We presented ($\varepsilon$, $L$)-\emph{{\thething} privacy}, a novel privacy notion that is based on differential privacy allowing for better data utility in the presence of important events. Our contributions are: We presented ($\varepsilon$, $L$)-\emph{{\thething} privacy}, a novel privacy notion that is based on differential privacy allowing for better data utility in the presence of important events. Our contributions are:
@ -20,7 +21,14 @@ We presented ($\varepsilon$, $L$)-\emph{{\thething} privacy}, a novel privacy no
% \item We proposed and formally defined a novel privacy notion, ($\varepsilon$, $L$)-\emph{{\thething} privacy}. % \item We proposed and formally defined a novel privacy notion, ($\varepsilon$, $L$)-\emph{{\thething} privacy}.
\item We designed and implemented three {\thething} privacy schemes for {\thethings} spanning a finite time series. \item We designed and implemented three {\thething} privacy schemes for {\thethings} spanning a finite time series.
\item We investigated {\thething} privacy under temporal correlation, which is inherent in time series, and studied the effect of {\thethings} on the temporal privacy loss propagation. \item We investigated {\thething} privacy under temporal correlation, which is inherent in time series, and studied the effect of {\thethings} on the temporal privacy loss propagation.
\item We designed an additional differential privacy mechanism, based on the exponential mechanism, for providing additional protection to the temporal position of the {\thethings}. \kat{what is the name of the mechanism? how do you quantify 'additional' ?} \item We designed an additional differential privacy mechanism, based on the exponential mechanism, for providing
\item We experimentally evaluated our proposal on real and synthetic data sets, and compared {\thething} privacy schemes with event- and user-level privacy protection, for different {\thething} percentages. \kat{what are the conclusions that show the quality/benefits of the proposed solution?} % additional
protection to the temporal position of the {\thethings}
% \kat{what is the name of the mechanism? how do you quantify 'additional' ?}
by generating dummy {\thething} set options.
\item We experimentally evaluated our proposal on real and synthetic data sets, and compared {\thething} privacy schemes with event- and user-level privacy protection, for different {\thething} percentages.
% \kat{what are the conclusions that show the quality/benefits of the proposed solution?}
We showed that our methodology can provide adequate differential privacy guarantees while achieving better data utility than the user-level scheme.
\end{itemize} \end{itemize}
\kat{mention here again that the work appears in the article... submitted at...} % \kat{mention here again that the work appears in the article... submitted at...}
This work is under review for being published in the proceedings of the $12$th ACM conference on Data and Application Security and Privacy~\cite{katsomallos2022landmark}.