OH

Curriculum vitae

Oliver Hennhöfer

Research Assistant / Research Staff in uncertainty-aware machine learning and statistical methodology.

Profile

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Experience

Research Staff

Intelligent Systems Research Group, Hochschule Karlsruhe · 2024 — Present

  • Contribute to uncertainty-aware machine learning methodology for decision systems.
  • Guide reproducible experimentation in anomaly detection and conformal inference workflows.

Research Assistant

Institut für Angewandte Forschung, Hochschule Karlsruhe · 2022 — 2024

  • Supported applied projects in uncertainty quantification and statistical decision support.
  • Developed and maintained reproducible code for early-stage research tooling.

Education

Graduate Education

Karlsruhe University of Applied Sciences · 2020 — Present

  • Thesis and coursework in machine learning, statistics, and uncertainty-aware systems.
  • Focus on trustworthy inference and uncertainty quantification in applied settings.

Undergraduate Education

Institution / Program (to be completed) · [from] — [to]

  • Foundational coursework in mathematics, statistics, and software engineering.

Skills

  • Python, JavaScript/TypeScript, Git, Docker, GitHub Actions
  • Machine learning: uncertainty estimation, anomaly detection, conformal inference
  • Statistics & probability: sequential methods, risk control, evaluation protocols
  • Scientific tooling: packaging, reproducible experiments, documentation

Projects

nonconform

Python pacakge for Conformal Anomaly Detection & Change-Point Detection.

online-fdr

Python pacakge for false discovery rate control in sequential hypotheses testing.

aberrant

Python package for online anomaly detection in streaming data and related tooling.

talk-tag

Resource and tooling for language and annotation-focused NLP workflows.

Publications

2026

  1. Between Resolution Collapse and Variance Inflation: Weighted Conformal Anomaly Detection in Low-Data Regimes
    O Hennhöfer, C Preisach, arXiv preprint arXiv:2603.23205 (2026).
  2. TalkTag: Fine-Grained Morphosyntactic Error Annotation for Transcribed Speech
    S Venturini, O Hennhöfer, S Kinkel, J Strötgen, Proceedings of the 20th Linguistic Annotation Workshop (LAW XX) (2026).
  3. Conformal Anomaly Detection in Python: Moving Beyond Heuristic Thresholds with 'nonconform'
    O Hennhöfer, M Kirsch, C Preisach, arXiv preprint arXiv:2605.13642 (2026).

2025

  1. Interdisciplinary Harmonies: A Story-Driven Course on AI and Music to Increase Interest in Computer Science
    K Marquardt, Q Shang, O Hennhöfer, L Happe, Proceedings of the 6th European Conference on Software Engineering Education (2025).

2024

  1. Leave-One-Out-, Bootstrap- and Cross-Conformal Anomaly Detectors
    O Hennhöfer, C Preisach, IEEE International Conference on Knowledge Graph (ICKG) 15 (1), 110 - 119 (2024).

2021

  1. Multidimensional Exploratory Spatial Data Analysis
    O Hennhöfer, J Bruns, P Ullrich, A Heiß, G Sharipov, D Paraforos, GI_Forum 2021, 9, 136-151 (2021).

2020

  1. Anomaly Detection in Precision Agriculture with R
    O Hennhöfer, Karlsruhe University of Applied Sciences, 2020.