User profiles for B. Oprisanu
 | Bristena OprisanuVerified email at ucl.ac.uk Cited by 281 |
Synthetic data–anonymisation groundhog day
Synthetic data has been advertised as a silver-bullet solution to privacy-preserving data
publishing that addresses the shortcomings of traditional anonymisation techniques. The …
publishing that addresses the shortcomings of traditional anonymisation techniques. The …
Robin hood and matthew effects: Differential privacy has disparate impact on synthetic data
G Ganev, B Oprisanu… - … Conference on Machine …, 2022 - proceedings.mlr.press
Generative models trained with Differential Privacy (DP) can be used to generate synthetic
data while minimizing privacy risks. We analyze the impact of DP on these models vis-a-vis …
data while minimizing privacy risks. We analyze the impact of DP on these models vis-a-vis …
[PDF][PDF] Synthetic data-A privacy mirage
T Stadler, B Oprisanu, C Troncoso - arXiv preprint arXiv:2011.07018, 2020 - academia.edu
Synthetic datasets drawn from generative models have been advertised as a silver-bullet
solution to privacypreserving data publishing. In this work, we show through an extensive …
solution to privacypreserving data publishing. In this work, we show through an extensive …
[HTML][HTML] The hepatoprotective effect of sea buckthorn (Hippophae rhamnoides) berries on induced aflatoxin B1 poisoning in chickens
The leaves and berries of sea buckthorn (SB; Hippophae rhamnoides; family Elaeagnaceae)
are medically claimed as having phytoantioxidant, antiinflammatory, and anticancerous …
are medically claimed as having phytoantioxidant, antiinflammatory, and anticancerous …
On utility and privacy in synthetic genomic data
The availability of genomic data is essential to progress in biomedical research, personalized
medicine, etc. However, its extreme sensitivity makes it problematic, if not outright …
medicine, etc. However, its extreme sensitivity makes it problematic, if not outright …
[HTML][HTML] Cobalt ferrite/polyetherimide composites as thermally stable materials for electromagnetic interference shielding uses
… The attained shielding effectiveness data of the samples are depicted in Figure 10a,b. The
graphs of the shielding from reflection … τ m a x = τ H N s i n π a b 2 + 2 b s i n π a 2 + 2 b 1 a …
graphs of the shielding from reflection … τ m a x = τ H N s i n π a b 2 + 2 b s i n π a 2 + 2 b 1 a …
Influence of ZrO2-Y2O3 and ZrO2-CaO coatings on microstructural and mechanical properties on Mg-1, 3Ca-5, 5Zr biodegradable alloy
…, C Munteanu, MN Matei, B Oprisan… - IOP Conference …, 2016 - iopscience.iop.org
Zirconia (ZrO 2) as a ceramic biomaterial facilitates the osteoconductivity in new bone
formation around implant. In order to improve the degradation and the surface properties, it is …
formation around implant. In order to improve the degradation and the surface properties, it is …
Linear cryptanalysis and block cipher design in East Germany in the 1970s
NT Courtois, MB Oprisanu, K Schmeh - Cryptologia, 2019 - Taylor & Francis
Linear cryptanalysis (LC) is an important codebreaking method that became popular in the
1990s and has roots in the earlier research of Shamir in the 1980s. In this article we show …
1990s and has roots in the earlier research of Shamir in the 1980s. In this article we show …
[PDF][PDF] Measuring utility and privacy of synthetic genomic data
The availability of genomic data is often essential to progress in biomedical research,
personalized medicine, drug development, etc. However, its extreme sensitivity makes it …
personalized medicine, drug development, etc. However, its extreme sensitivity makes it …
Ciphertext-only attacks and weak long-term keys in T-310
NT Courtois, MB Oprisanu - Cryptologia, 2018 - Taylor & Francis
… We consider that positions of type m = 127(B+13(j−1)) span the interval 0−119 uniformly at
random. We are interested in positions where key bits are known for at least 16 rounds before …
random. We are interested in positions where key bits are known for at least 16 rounds before …