1 citations · 2 across the 4 of their papers we have counts for
4 papers
Opinion Update in a Subjective Logic Model for Social Networks
Mário S. Alvim, Sophia Knight, José C. Oliveira
Subjective Logic (SL) is a logic incorporating uncertainty and opinions for agents in dynamic systems. In this work, we investigate the use of subjective logic to model opinions an…
A Multi-Agent Model for Opinion Evolution under Cognitive Biases
Mário S. Alvim, Artur Gaspar da Silva, Sophia Knight +1
We generalize the DeGroot model for opinion dynamics to better capture realistic social scenarios. We introduce a model where each agent has their own individual cognitive biases.…
Analyzing the Shuffle Model through the Lens of Quantitative Information Flow
Mireya Jurado, Ramon G. Gonze, Mário S. Alvim +1
Local differential privacy (LDP) is a variant of differential privacy (DP) that avoids the need for a trusted central curator, at the cost of a worse trade-off between privacy and…
Quantifying vulnerability of secret generation using hyper-distributions (extended version)
Mário S. Alvim, Piotr Mardziel, Michael Hicks
Traditional approaches to Quantitative Information Flow (QIF) represent the adversary's prior knowledge of possible secret values as a single probability distribution. This represe…