Search Results for author: Bernhard Haslhofer

Found 12 papers, 5 papers with code

Detecting Financial Bots on the Ethereum Blockchain

1 code implementation28 Mar 2024 Thomas Niedermayer, Pietro Saggese, Bernhard Haslhofer

In this study, we present a novel approach that utilizes machine learning for the detection of financial bots on the Ethereum platform.

Binary Classification

Assessing the Solvency of Virtual Asset Service Providers: Are Current Standards Sufficient?

no code implementations28 Sep 2023 Pietro Saggese, Esther Segalla, Michael Sigmund, Burkhard Raunig, Felix Zangerl, Bernhard Haslhofer

In this paper, we propose an approach to assess the solvency of a VASP by cross-referencing data from three distinct sources: cryptoasset wallets, balance sheets from the commercial register, and data from supervisory entities.

Predictability and Comprehensibility in Post-Hoc XAI Methods: A User-Centered Analysis

no code implementations21 Sep 2023 Anahid Jalali, Bernhard Haslhofer, Simone Kriglstein, Andreas Rauber

Furthermore, we find that counterfactual explanations and misclassifications can significantly increase the users understanding of how a machine learning model is making decisions.

counterfactual

Autoencoder based Anomaly Detection and Explained Fault Localization in Industrial Cooling Systems

no code implementations14 Oct 2022 Stephanie Holly, Robin Heel, Denis Katic, Leopold Schoeffl, Andreas Stiftinger, Peter Holzner, Thomas Kaufmann, Bernhard Haslhofer, Daniel Schall, Clemens Heitzinger, Jana Kemnitz

In this work, we present an autoencoder based end-to-end workflow for anomaly detection suitable for multivariate time series data in large industrial cooling systems, including explained fault localization and root cause analysis based on expert knowledge.

Anomaly Detection Fault localization +1

Machine Learning Methods for Health-Index Prediction in Coating Chambers

no code implementations30 May 2022 Clemens Heistracher, Anahid Jalali, Jürgen Schneeweiss, Klaudia Kovacs, Catherine Laflamme, Bernhard Haslhofer

Our overall goal is to predict the future condition of the coating chamber to allow cost and quality optimized maintenance of the equipment.

BIG-bench Machine Learning

Minimal-Configuration Anomaly Detection for IIoT Sensors

no code implementations8 Oct 2021 Clemens Heistracher, Anahid Jalali, Axel Suendermann, Sebastian Meixner, Daniel Schall, Bernhard Haslhofer, Jana Kemnitz

The increasing deployment of low-cost IoT sensor platforms in industry boosts the demand for anomaly detection solutions that fulfill two key requirements: minimal configuration effort and easy transferability across equipment.

Anomaly Detection Feature Engineering

GraphSense: A General-Purpose Cryptoasset Analytics Platform

no code implementations26 Feb 2021 Bernhard Haslhofer, Rainer Stütz, Matteo Romiti, Ross King

There is currently an increasing demand for cryptoasset analysis tools among cryptoasset service providers, the financial industry in general, as well as across academic fields.

Cryptography and Security Computers and Society Social and Information Networks

Exploring investor behavior in Bitcoin: a study of the disposition effect

1 code implementation23 Oct 2020 Jürgen E. Schatzmann, Bernhard Haslhofer

Investors commonly exhibit the disposition effect - the irrational tendency to sell their winning investments and hold onto their losing ones.

Identifying Historical Travelogues in Large Text Corpora Using Machine Learning

2 code implementations6 Jan 2020 Jan Rörden, Doris Gruber, Martin Krickl, Bernhard Haslhofer

Travelogues represent an important and intensively studied source for scholars in the humanities, as they provide insights into people, cultures, and places of the past.

Digital Libraries

Spams meet Cryptocurrencies: Sextortion in the Bitcoin Ecosystem

1 code implementation2 Aug 2019 Masarah Paquet-Clouston, Matteo Romiti, Bernhard Haslhofer, Thomas Charvat

We discover that one single entity is likely controlling the financial backbone of the majority of the sextortion campaigns and that the 11-month operation studied yielded a lower-bound revenue between \$1, 300, 620 and \$1, 352, 266.

Cryptography and Security

Finding Quality Issues in SKOS Vocabularies

2 code implementations6 Jun 2012 Christian Mader, Bernhard Haslhofer, Antoine Isaac

The Simple Knowledge Organization System (SKOS) is a standard model for controlled vocabularies on the Web.

Digital Libraries Information Retrieval

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