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Tim Verdonck

University of Antwerp

Prinsstraat 13

Antwerp, 2000

Belgium

  • University of Antwerp

SCHOLARLY PAPERS

3

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394

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0

Scholarly Papers (3)

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1.

Machine Learning Under Partial Observability: The Effect Of The SEC's Labeling Bias On Detecting Financial Misconduct

Number of pages: 45 Posted: 14 Feb 2024 Last Revised: 02 Nov 2024
Lennert Van der Schraelen, Kristof Stouthuysen and Tim Verdonck
Vlerick Business School, Vlerick Business School and University of Antwerp
Downloads 201 (387,924)

Abstract:

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Financial Misconduct, Machine Learning, PU Learning, Labeling Bias, Labeling-controlled Estimation JEL Classification: A13, G38, K22, K42, M41, M42, M48

2.

Regularization Oversampling for Classification Tasks: To Exploit What You Do Not Know

Number of pages: 29 Posted: 22 Oct 2022
Lennert Van der Schraelen, Kristof Stouthuysen, Seppe vanden Broucke and Tim Verdonck
Vlerick Business School, Vlerick Business School, Ghent University and University of Antwerp
Downloads 113 (630,858)

Abstract:

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Binary Classification, Regularization, Sampling, Data imbalance

3.

Inductive Inference of Gradient-Boosted Decision Trees on Graphs for Insurance Fraud Detection

Number of pages: 27 Posted: 06 Jul 2024
Félix Arthur Vandervorst, Wouter Verbeke and Tim Verdonck
affiliation not provided to SSRN, KU Leuven and University of Antwerp
Downloads 80 (809,932)

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Heterogeneous Graphs, Supervised learning, Fraud detection