Search Results for author: Etienne Brangbour

Found 3 papers, 0 papers with code

Cold Start Active Learning Strategies in the Context of Imbalanced Classification

no code implementations25 Jan 2022 Etienne Brangbour, Pierrick Bruneau, Thomas Tamisier, Stéphane Marchand-Maillet

We present novel active learning strategies dedicated to providing a solution to the cold start stage, i. e. initializing the classification of a large set of data with no attached labels.

Active Learning Clustering +1

Computing flood probabilities using Twitter: application to the Houston urban area during Harvey

no code implementations7 Dec 2020 Etienne Brangbour, Pierrick Bruneau, Stéphane Marchand-Maillet, Renaud Hostache, Marco Chini, Patrick Matgen, Thomas Tamisier

In this paper, we investigate the conversion of a Twitter corpus into geo-referenced raster cells holding the probability of the associated geographical areas of being flooded.

regression

Extracting localized information from a Twitter corpus for flood prevention

no code implementations12 Mar 2019 Etienne Brangbour, Pierrick Bruneau, Stéphane Marchand-Maillet, Renaud Hostache, Patrick Matgen, Marco Chini, Thomas Tamisier

In this paper, we discuss the collection of a corpus associated to tropical storm Harvey, as well as its analysis from both spatial and topical perspectives.

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