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2 votes
Accepted

Relating the noisy data to it's associated original/actual one

Your question is very generic and so only very generic principles can be described. An simple example is when $A_i$ and $O_i$ are 1-dimensional values. In this case the best (maximum likelihood) ...
Daniel S's user avatar
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1 vote
Accepted

If the truncation function provides differential privacy

It depends on what you mean, namely does it maintain the level of differential privacy one gets from adding noise, or does it enhance the level of differential privacy one gets. The answer to the ...
Mark's user avatar
  • 12.5k
1 vote

Devising a system that allows for aggregate computations but does not hold the single values

One common approach to deal with these kinds of questions is differential privacy, google it. A search here on crypto stackexchange yields quite a lot of questions and answers. Very briefly and in its ...
kodlu's user avatar
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1 vote
Accepted

"Select" query that provides differential privacy

As described, I think that it is a bad idea. I assume that a query consists of supplying an ID and the goal is to hide the associated fraction from an adversary. However, as an adversary if I submit ...
Daniel S's user avatar
  • 23k

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