Search Results for author: Marco Schreyer

Found 12 papers, 5 papers with code

FedTabDiff: Federated Learning of Diffusion Probabilistic Models for Synthetic Mixed-Type Tabular Data Generation

1 code implementation11 Jan 2024 Timur Sattarov, Marco Schreyer, Damian Borth

Realistic synthetic tabular data generation encounters significant challenges in preserving privacy, especially when dealing with sensitive information in domains like finance and healthcare.

Attribute Denoising +1

FinDiff: Diffusion Models for Financial Tabular Data Generation

1 code implementation4 Sep 2023 Timur Sattarov, Marco Schreyer, Damian Borth

The sharing of microdata, such as fund holdings and derivative instruments, by regulatory institutions presents a unique challenge due to strict data confidentiality and privacy regulations.

Fraud Detection Synthetic Data Generation

Federated Continual Learning to Detect Accounting Anomalies in Financial Auditing

no code implementations26 Oct 2022 Marco Schreyer, Hamed Hemati, Damian Borth, Miklos A. Vasarhelyi

Our empirical results, using real-world datasets and combined federated continual learning strategies, demonstrate the learned model's ability to detect anomalies in audit settings of data distribution shifts.

Continual Learning

Federated and Privacy-Preserving Learning of Accounting Data in Financial Statement Audits

no code implementations26 Aug 2022 Marco Schreyer, Timur Sattarov, Damian Borth

In this work, we propose a Federated Learning framework to train DL models on auditing relevant accounting data of multiple clients.

Federated Learning Privacy Preserving

Multi-view Contrastive Self-Supervised Learning of Accounting Data Representations for Downstream Audit Tasks

no code implementations23 Sep 2021 Marco Schreyer, Timur Sattarov, Damian Borth

International audit standards require the direct assessment of a financial statement's underlying accounting transactions, referred to as journal entries.

Anomaly Detection Attribute +2

Leaking Sensitive Financial Accounting Data in Plain Sight using Deep Autoencoder Neural Networks

no code implementations13 Dec 2020 Marco Schreyer, Chistian Schulze, Damian Borth

Nowadays, organizations collect vast quantities of sensitive information in `Enterprise Resource Planning' (ERP) systems, such as accounting relevant transactions, customer master data, or strategic sales price information.

ERP

Learning Sampling in Financial Statement Audits using Vector Quantised Autoencoder Neural Networks

no code implementations6 Aug 2020 Marco Schreyer, Timur Sattarov, Anita Gierbl, Bernd Reimer, Damian Borth

The audit of financial statements is designed to collect reasonable assurance that an issued statement is free from material misstatement 'true and fair presentation'.

Adversarial Learning of Deepfakes in Accounting

no code implementations9 Oct 2019 Marco Schreyer, Timur Sattarov, Bernd Reimer, Damian Borth

Second, we show that adversarial autoencoder neural networks are capable of learning a human interpretable model of journal entries that disentangles the entries latent generative factors.

Adversarial Attack ERP

Detection of Accounting Anomalies in the Latent Space using Adversarial Autoencoder Neural Networks

4 code implementations2 Aug 2019 Marco Schreyer, Timur Sattarov, Christian Schulze, Bernd Reimer, Damian Borth

We demonstrate that such artificial neural networks are capable of learning a semantic meaningful representation of real-world journal entries.

Detection of Anomalies in Large Scale Accounting Data using Deep Autoencoder Networks

4 code implementations15 Sep 2017 Marco Schreyer, Timur Sattarov, Damian Borth, Andreas Dengel, Bernd Reimer

Learning to detect fraud in large-scale accounting data is one of the long-standing challenges in financial statement audits or fraud investigations.

Attribute

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