1 citations · 1 across the 2 of their papers we have counts for
3 papers
cs.DS2021
Maximizing approximately k-submodular functions
Leqian Zheng, Hau Chan, Grigorios Loukides +1
We introduce the problem of maximizing approximately -submodular functions subject to size constraints. In this problem, one seeks to select -disjoint subsets of a ground set…
cs.CR2019★ 1 cited
Location histogram privacy by sensitive location hiding and target histogram avoidance/resemblance (extended version)
Grigorios Loukides, George Theodorakopoulos
A location histogram is comprised of the number of times a user has visited locations as they move in an area of interest, and it is often obtained from the user in applications su…
cs.DS2019
Combinatorial Algorithms for String Sanitization
Giulia Bernardini, Huiping Chen, Alessio Conte +6
String data are often disseminated to support applications such as location-based service provision or DNA sequence analysis. This dissemination, however, may expose sensitive patt…