Bunse/Morik/2021a: Active Class Selection with Uncertain Deployment Class Proportions

Bibtype Inproceedings
Bibkey Bunse/Morik/2021a
Author Bunse, Mirko and Morik, Katharina
Ls8autor Bunse, Mirko
Morik, Katharina
Title Active Class Selection with Uncertain Deployment Class Proportions
Booktitle Workshop on Interactive Adaptive Learning
Publisher CEUR Workshop Proceedings
Abstract Active class selection strategies actively choose the class proportions of the data with which a classifier is trained. While this freedom of choice can improve the classification accuracy and reduce the data acquisition cost, it has also motivated theoretical studies that quantify the limited trustworthiness of the resulting classifier when the chosen class proportions differ from the class proportions that need to be handled during deployment. In this work, we build on these theoretic foundations to propose an active class selection strategy that allows machine learning practitioners to express their prior beliefs about the deployment class proportions. Unlike existing approaches, our strategy is justified by PAC learning bounds and naturally supports any degree of uncertainty with respect to these prior beliefs.
Note To appear
Year 2021

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