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Dr. Victor Christen

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  • Dr. Victor Christen
  • christen@informatik.uni-leipzig.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:

  • DBS1: WS 2020, WS 2019, WS 2018, WS 2017, WS 2015, WS 2014
  • DBS2: SS 2020, SS 2019, SS 2018, SS 2017, SS 2016, SS 2015

Seminars:

  • Trends in Machine Learning and Data Analytics WS 2022
  • Trends in Machine Learning and Data Analytics WS 2021
  • Trends in Machine Learning and Data Analytics WS 2020
  • Trends in Machine Learning and Data Analytics WS 2019
  • Secure Data Processing WS 2018
  • Deep Learning WS 2017
  • Seminar Privacy for Big Data WS 2016
  • Graph Data Management WS 2015

Labs:

  • Data-Warehouse: WS 2023, WS 2022 , WS 2021, WS 2020, WS 2019, WS 2018, WS 2017, WS 2016, WS 2014
  • Relational Databases: SS 2019, SS 2018, SS 2017, SS 2016, SS 2015
  • Big Data: SS 2019, SS 2018, SS 2017, SS 2016, SS 2015

Betreute Abschlussarbeiten (26)

Jahr Typ Student Titel Status
2025 M. Sc. Konstantin Witossek Knowledge Distillation of Large Language Models for Use Cases of the German Aerospace Center Running
2025 B. Sc. Diego Arrelano Development of a FHIR-compliant questionnaire repository with response validation Running
2024 B. Sc. Colin Hartkopf Realization of an infrastructure to maintain record linkage tasks Running
2024 B. Sc. Kelly Lum Similarity feature space Extension in Multi-ER Running
2024 B. Sc. Markus Wetzel Model selection for Privacy Preserving Record Linkage Running
2024 M. Sc. Philipp Rickayzen Quality Estimation of record linkage results using an ensemble of cluster methods Running
2024 B. Sc. Marco Gruner Improvement of Quality Estimation methods for Record Linkage Running
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 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 B. Sc. Mehdi Karbalai Realisierung einer Android-App zur Extraktion der Metainformationen von Klausuren Finished
2023 B. Sc. Tom Wawerek AI-Driven Development Finished
2023 M. Sc. Robert Weiske Vorhersage der Clusterqualität unter Verwendung von Ähnlichkeitsgraph-Charakteristiken 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 B. Sc. Bingqing Hu Postprocessing mit Knotenembeddings Finished
2020 M. Sc. Jonas Kreusch Parallelisierung von Meta-Blocking Ansätzen in FAMER Finished
2020 B. Sc. Marcus Stelzer Realisierung eines Frameworks zur forensischen Gutachtenerstellung und Auswertung der Browser-Historie Finished
2019 B. Sc. Michael Koch Integration von EAGLE in FAMER Finished
2019 B. Sc. Jan Buchholz Datenerfassung für die Untersuchung von Primaten (Kooperation MPI) 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 (22)

Dateien Cover Beschreibung Jahr
Coala- correlation-aware active learning of link specifications
Ngomo, A. ; Lyko, K. ; Christen, V.
Proc. 10th Extended Semantic Web Conference (ESWC), Springer LNCS 7882, pp. 442-456 , 2013
2013 / 5
REx – eine Webapplikation zur Visualisierung der Evolution von Ontologien in den Lebenswissenschaften
Christen, V.
Studentenkonferenz Informatik Leipzig (SKIL) 2012
2012 / 9

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Recent publications

  • 2025 / 9: Generating Semantically Enriched Mobility Data from Travel Diaries
  • 2025 / 8: Slice it up: Unmasking User Identities in Smartwatch Health Data
  • 2025 / 6: SecUREmatch: Integrating Clerical Review in Privacy-Preserving Record Linkage
  • 2025 / 6: Leveraging foundation models and goal-dependent annotations for automated cell confluence assessment
  • 2025 / 5: Federated Learning With Individualized Privacy Through Client Sampling

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