People

Head
Secretaries
Assistants
External PhDs
Former assistants
Visiting researchers

Head

Prof. Dr. Benno Stein
[email protected]
+49 (0)3643 - 58 3795

Interests: Information Retrieval, Machine Learning, Natural Language Processing, Artificial Intelligence
[data] [events] [publications] [research]

Secretaries

Maria-Theresa Hansens
[email protected]
Bauhausstraße 11 · Room 113
+49 (0)3643 - 58 3727 | Fax 3728

Rubi Richter
[email protected]
Bauhausstraße 11 · Room 112
+49 (0)3643 - 58 3710 | Fax 3709

Assistants

Janek Bevendorff[2018 - today]
[email protected]
+49 (0)3643 - 58 3577

Interests: Natural Language Processing, Machine Learning, Information Retrieval, Data Science, Elasticsearch, Software Engineering, Linux Cluster
[data] [events] [publications] [research]

Marcel Gohsen[2020 - today]
[email protected]
+49 (0)3643 - 58 3811

Interests: Big Data, Conversational Search, Information Retrieval, Natural Language Processing
[data] [events] [publications] [research]

Dr. Tim Gollub[2008 - today]
[email protected]
+49 (0)3643 - 58 3566

Interests: Digital Humanities, Information Retrieval, Web Technologies
[data] [events] [publications] [research]

Maximilian Heinrich[2022 - today]
[email protected]
+49 (0)3643 - 58 3863

Interests: Natural Language Processing, Machine Learning, Argumentation
[data] [events] [publications] [research]

Midhun Kanadan[2025 - today]
[email protected]
+49 (0)3643 - 58 3576

Interests: Machine Learning, Natural Language Processing, Software Engineering
[data] [events] [publications] [research]

Nailia Mirzakhmedova[2022 - today]
[email protected]
+49 (0)3643 - 58 3576

Interests: Natural Language Processing, Automatic Summarization
[data] [events] [publications] [research]

Dr. Michael Völske[2013 - 2021, 2022 - today (part-time)]
Artefact Germany, Bauhaus-Universität Weimar
[email protected]
+49 (0)3643 - 58 3863

Interests: Information Retrieval, Machine Learning, Data Science
[data] [events] [publications] [research]

Matti Wiegmann[2018 - today]
[email protected]
+49 (0)3643 - 58 3575

Interests: Social Media Analysis, Authorship, Natural Language Processing
[data] [events] [publications] [research]

Dr. Magdalena Wolska[2018 - today]
[email protected]
+49 (0)3643 - 58 3567

Interests: Natural Language Processing, Violence Analysis in Text
[data] [events] [publications] [research]

External PhDs

Roxanne El Baff[2017 - today]
Deutsches Zentrum für Luft- und Raumfahrt
[email protected]

Interests: Computational Argumentation
[data] [events] [publications] [research]

Former assistants

Dr. Yamen Ajjour[2017 - 2023]
Leibniz Universität Hannover
[email protected]

Interests: Natural Language Processing, Information Retrieval
[data] [events] [publications] [research]

Assistant Prof. Dr. Khalid Al-Khatib[2014 - 2021]
University of Groningen
[email protected]

Interests: Natural Language Processing, Information Retrieval, Computational Social Science
[data] [events] [publications] [research]

Dr. Maik Anderka[2007 - 2012]
Diebold Nixdorf
[email protected]

Interests: Machine Learning, Data Mining, Measuring Quality of Web Content, Semantic Retrieval Models
[data] [events] [publications] [research]

Heinrich Balzer[2006 - 2008]
dSPACE GmbH
[email protected]

Interests: Diagnosis of Technical Systems
[data] [events] [publications] [research]

Dr. Andreas Bunte[2014 - 2020]
Hochschule Ostwestfalen-Lippe, Lemgo
[email protected]

Interests: Knowledge-based Modeling of Cyber-Physical Systems, Model-Based Diagnosis
[data] [events] [publications] [research]

Dr. Steven Burrows[2011 - 2012]
Computer Power Institute, Melbourne, Australia
[email protected]

Interests: Data Mining, Machine Learning, Digital Engineering, Natural Language Processing, Paraphrasing
[data] [events] [publications] [research]

Dr. Wei-Fan Chen[2017 - 2019]
University of Bonn
[email protected]

Interests: Media Bias, Computational Social Science, Natural Language Generation
[data] [events] [publications] [research]

Astrid Frey[2017]

Interests: Statistical Methods, Artificial Intelligence
[data] [events] [publications] [research]

Steve Göring[2014 - 2015]

[email protected]

Interests: Databases, Big Data, Math
[data] [events] [publications] [research]

Prof. Dr. Matthias Hagen[2008 - 2013]
Friedrich Schiller University Jena
[email protected]

Interests: Information Retrieval, Natural Language Processing, Data Analytics and Mining
[data] [events] [publications] [research]

Dennis Hoppe[2010 - 2012]
Höchstleistungsrechenzentrum Stuttgart
[email protected]

Interests: Data Mining, Recommender Systems, Patent Retrieval
[data] [events] [publications] [research]

Dr. Johannes Kiesel[2014 - 2025]
GESIS - Leibniz Institute for the Social Sciences
[email protected]

Interests: Data Mining, Information Retrieval, Reproducibility
[data] [events] [publications] [research]

Nikolay Kolyada[2020 - 2024]
Bauhaus-Universität Weimar and Leipzig University
[email protected]

Interests: Information Retrieval, Natural Language Processing, Software Engineering
[data] [events] [publications] [research]

Erik Körner[2021 - 2022]
Sächsische Akademie der Wissenschaften zu Leipzig
[email protected]

Interests: Information Retrieval, Machine Learning, Natural Language Processing
[data] [events] [publications] [research]

Kevin Lang[2018 - 2022]
Bauhaus-Universität Weimar
[email protected]

Interests: Research Data Management
[data] [events] [publications] [research]

Dr. Nedim Lipka[2007 - 2012]
Adobe Systems Inc.
[email protected]

Interests: Text Classification, Computational Learning Theory, Semi-Supervised Learning
[data] [events] [publications] [research]

Lars Meyer[2020]
Enginsight GmbH
[email protected]

Interests: Conversational Search, Virtualized and Distributed Computing
[data] [events] [publications] [research]

Dr. Sven Meyer zu Eissen[2005 - 2008]
Bayer Business Services GmbH
[email protected]

Interests: Retrieval Models, Web Genre Analysis, Document Categorization, Data Mining, Software Engineering
[data] [events] [publications] [research]

Tsvetomira Palakarska[2012 - 2013]

[email protected]

Interests: Machine Learning, Information Extraction, Opinion Mining, Sentiment Flow
[data] [events] [publications] [research]

Anne Peter[2020]
dotSource GmbH
[email protected]

Interests: Autorship Analysis, Natural Language Processing, Machine Learning
[data] [events] [publications] [research]

Prof. Dr. Martin Potthast[2006 - 2017]
University of Kassel, hessian.AI, and ScaDS.AI
[email protected]

Interests: Information Retrieval, Natural Language Processing, Artificial Intelligence, Crowdsourcing, Reproducibility
[data] [events] [publications] [research]

Peter Prettenhofer[2009 - 2010]
DataRobot, Inc.
[email protected]

Interests: Cross-Lingual Information Retrieval, Information Extraction, Semi-Supervised Learning, Domain Adaptation
[data] [events] [publications] [research]

Dr. Harrisen Scells[2021]
Leipzig University
[email protected]

Interests: Information Retrieval, Medical Systematic Reviews
[data] [events] [publications] [research]

Shahbaz Syed[2017 - 2018]
NEC Laboratories Europe
[email protected]

Interests: Deep Learning, Natural Language Processing, Information Retrieval
[data] [events] [publications] [research]

Martin Trenkmann[2013 - 2014]

[email protected]

Interests: Software Engineering, Heuristic Search, Big Data, Opinion Mining
[data] [events] [publications] [research]

Prof. Dr. Henning Wachsmuth[2015 - 2018]
Leibniz Universität Hannover
[email protected]

Interests: Computational Argumentation, Natural Language Processing, Artificial Intelligence
[data] [events] [publications] [research]

Visiting researchers

Dr. Alberto Barrón-Cedeño[Jan. - Feb. 2014]
Department of Interpreting and Translation, Università di Bologna
funded by BMWi Exist
[email protected]

Interests: Multilingual Text Analysis

Dr. Pavel Braslavski[Oct. - Dec. 2018, Oct. 2014, Oct. - Dec. 2013]
Combinatorial Algebra Lab, Ural Federal University
funded by DAAD
[email protected]

Interests: Search Query Log Ananlysis

Dr. Edgardo Ferretti[Jan. 2014, Apr. - Jun. 2012]
Universidad Nacional de San Luis, Argentina
funded by EU FP7, Marie Curie
[email protected]

Interests: Wikipedia Quality Analysis

Dr. Adrian Pastor Lopez Monroy[Jul. - Sep. 2013]
National Institute of Astrophysics, Optics and Electronics, Mexico
funded by EU FP7, Marie Curie

Interests: Text Understanding

Dr. Robert H. Warren[Jul. 2012, Jun. 2010, Feb. 2009]
Carleton University, Canada (2012). University of Zurich, Switzerland (2010). University of Waterloo, Canada (2009)
funded by
[email protected]

Interests: Database Integration, Semantic Web