5 papers · 1 filter
Sublinear-Time Computation in the Presence of Online Erasures
Iden Kalemaj, Sofya Raskhodnikova, Nithin Varma
We initiate the study of sublinear-time algorithms that access their input via an online adversarial erasure oracle. After answering each input query, such an oracle can erase …
Online versus Offline Adversaries in Property Testing
Esty Kelman, Ephraim Linder, Sofya Raskhodnikova
We study property testing with incomplete or noisy inputs. The models we consider allow for adversarial manipulation of the input, but differ in whether the manipulation can be don…
Counting Distinct Elements in the Turnstile Model with Differential Privacy under Continual Observation
Palak Jain, Iden Kalemaj, Sofya Raskhodnikova +2
Privacy is a central challenge for systems that learn from sensitive data sets, especially when a system's outputs must be continuously updated to reflect changing data. We conside…
Testing Connectedness of Images
Piotr Berman, Meiram Murzabulatov, Sofya Raskhodnikova +1
We investigate algorithms for testing whether an image is connected. Given a proximity parameter and query access to a black-and-white image represented by an $n\times…
Local Lipschitz Filters for Bounded-Range Functions with Applications to Arbitrary Real-Valued Functions
Jane Lange, Ephraim Linder, Sofya Raskhodnikova +1
We study local filters for the Lipschitz property of real-valued functions , where the Lipschitz property is defined with respect to an arbitrary undirected graph $…