A comparative evaluation of quantification methods

T Schumacher, M Strohmaier, F Lemmerich - arxiv preprint arxiv …, 2021 - arxiv.org
Quantification represents the problem of predicting class distributions in a dataset. It also
represents a growing research field in supervised machine learning, for which a large …

Accurately quantifying a billion instances per second

W Hassan, A Maletzke, G Batista - 2020 IEEE 7th International …, 2020 - ieeexplore.ieee.org
Quantification is a thriving research area that develops methods to estimate the class prior
probabilities in an unlabelled set of observations. Quantification and classification share …

MC-SQ: A highly accurate ensemble for multi-class quantification

Z Donyavi, A Serapio, G Batista - Proceedings of the 2023 SIAM International …, 2023 - SIAM
Quantification research proposes methods to estimate the class distribution in an
independent sample. Many areas, such as epidemiology, sentiment analysis, political …

Minimising quantifier variance under prior probability shift

D Tasche - arxiv preprint arxiv:2107.08209, 2021 - arxiv.org
For the binary prevalence quantification problem under prior probability shift, we determine
the asymptotic variance of the maximum likelihood estimator. We find that it is a function of …

[PDF][PDF] Pitfalls in quantification assessment

W Hassan, AG Maletzke, GEAPA Batista - Proceedings, 2021 - repositorio.usp.br
Quantification is a research area that develops methods that estimate the class attribute
prevalence in an independent sample. Like the other fields in Machine Learning …

Gain-Some-Lose-Some: Reliable quantification under general dataset shift

B Denham, EMK Lai, R Sinha… - 2021 IEEE International …, 2021 - ieeexplore.ieee.org
When applying supervised learning to estimate class distributions of unlabelled samples (so-
called quantification), dataset shift is an expected yet challenging problem. Existing …

Exploring label correlations for quantification of ICD codes

I Coutinho, B Martins - International Conference on Discovery Science, 2023 - Springer
Abstract The International Classification of Diseases (ICD) has been adopted worldwide in
the healthcare domain, eg to summarize the key information in clinical documents. Since …

MC-SQ and MC-MQ: Ensembles for Multi-class Quantification

Z Donyavi, ABS Serapiao… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Quantification research proposes methods to estimate the class distribution in an
independent sample. Quantification methods find applications in areas that rely on …

Dynamic Quantification with Constrained Error Under Unknown General Dataset Shift

B Denham, EMK Lai, R Sinha… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Quantification research has sought to accurately estimate class distributions under dataset
shift. While existing methods perform well under assumed conditions of shift, it is not always …

Evaluating Sentiment Quantification Methods in Brazilian Portuguese Corpora

LN dos Santos Silva, DF Silva… - Brazilian Conference on …, 2024 - Springer
This paper evaluates sentiment quantification methods applied to Brazilian Portuguese
corpora. Sentiment quantification, distinct from sentiment classification, estimates the …