Search Results for author: João Ribeiro

Found 3 papers, 1 papers with code

Mean-Based Trace Reconstruction over Oblivious Synchronization Channels

no code implementations18 Feb 2021 Mahdi Cheraghchi, Joseph Downs, João Ribeiro, Alexandra Veliche

It is known that $\exp(O(n^{1/3}))$ traces are necessary and sufficient for mean-based worst-case trace reconstruction over the deletion channel, and this result was also extended to certain channels combining deletions and geometric insertions of uniformly random bits.

Information Theory Information Theory Probability

AC-DC: Amplification Curve Diagnostics for Covid-19 Group Testing

no code implementations10 Nov 2020 Ryan Gabrys, Srilakshmi Pattabiraman, Vishal Rana, João Ribeiro, Mahdi Cheraghchi, Venkatesan Guruswami, Olgica Milenkovic

The first part of the paper presents a review of the gold-standard testing protocol for Covid-19, real-time, reverse transcriptase PCR, and its properties and associated measurement data such as amplification curves that can guide the development of appropriate and accurate adaptive group testing protocols.

Multi-task Learning and Catastrophic Forgetting in Continual Reinforcement Learning

1 code implementation22 Sep 2019 João Ribeiro, Francisco S. Melo, João Dias

The first hypothesis is driven by the question of whether a deep reinforcement learning algorithm, trained on two similar tasks, is able to outperform two single-task, individually trained algorithms, by more efficiently learning a new, similar task, that none of the three algorithms has encountered before.

Continual Learning Multi-Task Learning +2

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