portrait photo
  • Dr. Victor Christen
  • christen [at] informatik [dot] uni-leipzig [dot] de
  • +49 341 - 97 322 27

  • Augustusplatz 10, 04109, Leipzig
    (Paulinum Raum P425)

About

  • Seit Oktober 2014 wissenschaftlicher Mitarbeiter
  • September 2014: M. Sc. in Informatik an der Universität Leipzig

Teaching

Lectures:

  • DBS2: 2019
  • Data Wrangling: SoSe2022
  • Data Preparation & Cleaning (former Data Wrangling): SoSe 2023

Tutorials:

Seminars:

Labs:

Betreute Abschlussarbeiten (27)

Jahr Typ Student Titel Status
2025 M. Sc. Mark Heimer Handle Noise Data for Record Linkage Classification Tasks Running
2025 B. Sc. Diego Arrelano Development of a FHIR-compliant questionnaire repository with response validation Running
2024 B. Sc. Kelly Lum Similarity feature space Extension in Multi-ER Running
2024 B. Sc. Friedrich Schwella Node embedding based entity linking for medical forms Running
2025 M. Sc. Konstantin Witossek Knowledge Distillation of Large Language Models for Use Cases of the German Aerospace Center Finished
2025 M. Sc. Philipp Rickayzen Quality Estimation of record linkage results using an ensemble of cluster methods Finished
2025 M. Sc. Abdulnaser Sabra Transfer Learning for Multi-Source Entity Resolution Finished
2024 B. Sc. Maen Khatab Bird Species Classification on Images Finished
2024 M. Sc. Jerome Würf Ontology Matching using Graph ML Finished
2024 B. Sc. Marco Gruner Improvement of Quality Estimation methods for Record Linkage Finished
2024 B. Sc. Colin Hartkopf Realization of an infrastructure to maintain record linkage tasks Finished
2024 M. Sc. Tim Matzeck Attacks on PPRL using node embedding techniques Finished
2024 M. Sc. Richard Prey Partner churn prediction for Synaxon AG Finished
2024 M. Sc. Paul Brassel Trainingsdatengenerierung für Privacy Preserving Record Linkage Finished
2023 M. Sc. Robert Weiske Vorhersage der Clusterqualität unter Verwendung von Ähnlichkeitsgraph-Charakteristiken Finished
2023 B. Sc. Mehdi Karbalai Realisierung einer Android-App zur Extraktion der Metainformationen von Klausuren Finished
2023 B. Sc. Tom Wawerek AI-Driven Development Finished
2022 B. Sc. Tim Häntschel Evaluation of Autoencoders for encrypting Bloom-Filters Finished
2022 M. Sc. Leonie Preker Evaluating embedding methods for genomic data Finished
2020 B. Sc. Robert Weiske Incremental Entity-Resolution using cluster vector representations Finished
2020 M. Sc. Jonas Kreusch Parallelisierung von Meta-Blocking Ansätzen in FAMER Finished
2020 B. Sc. Bingqing Hu Postprocessing mit Knotenembeddings Finished
2020 B. Sc. Marcus Stelzer Realisierung eines Frameworks zur forensischen Gutachtenerstellung und Auswertung der Browser-Historie Finished
2019 B. Sc. Jan Buchholz Datenerfassung für die Untersuchung von Primaten (Kooperation MPI) Finished
2019 B. Sc. Michael Koch Integration von EAGLE in FAMER Finished
2018 B. Sc. David Geistert Visualisierung von Annotation-Mappings für klinische Formulare Finished
2018 B. Sc. Nico Duldhardt Tree-based Learning Methods for Match Classification with Apache Flink Finished

Publications (24)

Dateien Cover Beschreibung Jahr
Exploring Privacy-Preserving Record Linkage: A Holistic Framework for Dataset Generation and Detailed Result Analysis
Rohde, F. ; Christen, V. ; Rahm, E.
VLDB 2025 Workshop: 14th International Workshop on Quality in Databases (QDB’25)
2025 / 9
Slice it up: Unmasking User Identities in Smartwatch Health Data
Lange, L. ; Schreieder, T. ; Christen, V. ; Rahm, E.
20th ACM ASIA Conference on Computer and Communications Security (AsiaCCS 2025)
2025 / 8
SecUREmatch: Integrating Clerical Review in Privacy-Preserving Record Linkage
Rohde, F. ; Christen, V. ; Rahm, E.
ACM SIGMOD/PODS International Conference on Management of Data
2025 / 6
Graph Metrics-driven Record Cluster Repair meets LLM-based active learning
Christen, V. ; Obraczka, D. ; Hofer, M. ; Franke, M. ; Rahm, E.
ACM Journal of Data and Information Quality
2025 / 6
Multi-Layer Privacy-Preserving Record Linkage with Clerical Review based on gradual information disclosure
Rohde, F. ; Christen, V. ; Franke, M. ; Rahm, E.
21st Conference on Database Systems for Business, Technology and Web (BTW 2025)
2025 / 3
(Privately) Estimating Linkage Quality for Record Linkage
Franke, M. ; Christen, V. ; Christen, P. ; Rohde, F. ; Rahm, E.
27th International Conference on Extending Database Technology
2024 / 3
Value-specific Weighting for Record-level Encodings in Privacy-Preserving Record Linkage
Rohde, F. ; Franke, M. ; Christen, V. ; Rahm, E.
Conference on Database Systems for Business, Technology and Web (BTW) 2023
2023 / 3
Big Data Integration for Industry 4.0
Obraczka, D. ; Saeedi, A. ; Christen, V. ; Rahm, E.
Digital Transformation
2023 / 2
Privacy-Preserving Record Linkage using Autoencoders
Christen, V. ; Häntschel, T. ; Christen, P. ; Rahm, E.
International Journal of Data Science and Analytics
2022 / 12
Advanced Methods for Entity Linking in the Life Sciences
Christen, V.
Dissertation, Universität Leipzig
2021 / 1