Alexander Bondarenko

Alexander Bondarenko is a postdoctoral researcher at the Databases and Information Systems group, Friedrich-Schiller-Universität Jena, where he works on natural language understanding, argument retrieval, and causality extraction since October 2022. He completed his PhD in June 2023 with a dissertation titled Understanding Comparative Questions and Retrieving Argumentative Answers.

Research Focus

• Primary research areas: natural language processing, question answering systems, information retrieval, argumentation modeling, and causal inference.
• Key projects: developing frameworks for comparative QA, stance-aware ranking, and misinformation-resistant biomedical search systems.

Recent Article Trends

His publications (2020–2025) emphasize:

• Argument retrieval systems and axiomatic re-ranking
• Biomedical question answering robustness
• Comparative question modeling across languages
• Causal inference in neural models
• Search quality impact on decision-making
• AI applications in medical education

Teaching & Advising

• Supervised 8 theses including Marvin Vogel (Axiomatic Re-ranking) and Lukas Zeit-Altpeter (Health QA with Trusted Sources)
• Contributed to Touché shared tasks and Webis research group

Contact

Phone: +49 3641 9-46506 | Room 3237, Ernst-Abbe-Platz 2, 07743 Jena