Curriculum Vitae

Jan Heinrich Merker, M.Sc.

Profile picture

Summary

Name Jan Heinrich Merker
Address Hohestieg 12
38118 Braunschweig
Deutschland
Birthday January 25, 1998
E-mail [email protected]
Phone +49 174 9273954

Education

05/2023 - today Friedrich-Schiller-Universität Jena
Dr. rer. nat.
04/2020 - 04/2023 Martin-Luther-Universität Halle-Wittenberg
M.Sc. Computer Science, Ø 1.5
Thesis: Identifying and Answering Health-Related Questions
10/2016 - 07/2020 Martin-Luther-Universität Halle-Wittenberg
B.Sc. Computer Science, Ø 1.7
Thesis: Bias in Learning to Rank Caused by Redundant Web Documents
08/2008 - 06/2016 Wilhelm-Gymnasium Braunschweig
Abitur, Ø 1.7

Publications

09/2024 J. H. Merker, L. Merker, A. Bondarenko. The Impact of Web Search Result Quality on Decision Making. In CLEF 2024. 100–112. Springer.
09/2024 M. Gründel, M. Weber, J. Franke, J. H. Merker. Team Galápagos Tortoise at LongEval 2024: Neural Re-Ranking and Rank Fusion for Temporal Stability. In CLEF 2024. 2384–2395. CEUR-WS.org.
09/2024 J. H. Merker, A. Bondarenko, M. Hagen, A. Viehweger. MiBi at BioASQ 2024: Retrieval-Augmented Generation for Answering Biomedical Questions. In CLEF 2024. 176–187. CEUR-WS.org.
08/2024 A. Bondarenko, M. Fröbe, D. Hollatz, J. H. Merker, M. Hagen. DeepCT-enhanced Lexical Argument Retrieval. In ArgMining 2024. 29–35. ACL.
08/2024 M. Fröbe, J. H. Reimer, S. MacAvaney, N. Deckers, J. Bevendorff, B. Stein, M. Hagen, M. Potthast. The Information Retrieval Experiment Platform (Extended Abstract). In IJCAI 2024. 8405–8410. IJCAI.
07/2024 M. Fröbe, H. Scells, T. Elstner, C. Akiki, L. Gienapp, J. H. Reimer, S. MacAvaney, B. Stein, M. Hagen, M. Potthast. Resources for Combining Teaching and Research in Information Retrieval Coursework. In SIGIR 2024. 1115–1125. ACM.
03/2024 M. Wiegmann, J. H. Reimer, M. Ernst, M. Potthast, M. Hagen, B. Stein. A Mastodon Corpus to Evaluate Federated Microblog Search. In WOWS 2024. 37-49. CEUR.ws.
12/2023 J. H. Reimer, A. Bondarenko, M. Fröbe, M. Hagen. Stance-Aware Re-Ranking for Non-factual Comparative Queries. In ArgMining 2023. 45–51. ACL.
10/2023 M. Fröbe, J. H. Reimer, S. MacAvaney, N. Deckers, J. Bevendorff, B. Stein, M. Hagen, M. Potthast. The Information Retrieval Experiment Platform (Extended Abstract). In LWDA 2023. 179–191. CEUR-WS.org.
09/2023 A. Bondarenko, M. Fröbe, J. Kiesel, F. Schlatt, V. Barriere, B. Ravenet, L. Hemamou, S. Luck, J. H. Reimer, B. Stein, M. Potthast, M. Hagen. Overview of Touché 2023: Argument and Causal Retrieval. In CLEF 2023. 507–530. Springer.
07/2023 M. Fröbe, J. H. Reimer, S. MacAvaney, N. Deckers, S. Reich, J. Bevendorff, B. Stein, M. Hagen, M. Potthast. The Information Retrieval Experiment Platform. In SIGIR 2023. 2826–2836. ACM.
07/2023 J. H. Reimer, S. Schmidt, M. Fröbe, L. Gienapp, H. Scells, B. Stein, M. Hagen, M. Potthast. The Archive Query Log: Mining Millions of Search Result Pages of Hundreds of Search Engines from 25 Years of Web Archives. In SIGIR 2023. 2848–2860. ACM.
11/2022 A. Bondarenko, M. Fröbe, L. Gienapp, A. Pugachev, J. H. Reimer, F. Schlatt, E. Artemova, M. Potthast, B. Stein, P. Braslavski, M. Hagen. Webis at TREC 2022: Deep Learning and Health Misinformation. In TREC 2022. NIST.
09/2022 J. H. Reimer, J. Huck, A. Bondarenko. Grimjack at Touché 2022: Axiomatic Re-ranking and Query Reformulation. In CLEF 2022. CEUR-WS.org.
07/2022 A. Bondarenko, M. Fröbe, J. H. Reimer, B. Stein, M. Völske, M. Hagen. Axiomatic Retrieval Experimentation with ir_axioms. In SIGIR 2022. 3131–3140. ACM.
11/2021 J. H. Reimer, T. K. H. Luu, M. Henze, Y. Ajjour. Modern Talking in Key Point Analysis: Key Point Matching using Pretrained Encoders. In ArgMining 2021. 175–183. ACL.
07/2020 M. Fröbe, J. Bevendorff, J. H. Reimer, M. Potthast, M. Hagen. Sampling Bias Due to Near-Duplicates in Learning to Rank. In SIGIR 2020. 1997–2000. ACM.

Experience

05/2023 - today Friedrich-Schiller-Universität Jena
Research associate Databases and Information Systems.
11/2017 - today Reimer Software
Self-employed full-stack software development.
10/2022 - 03/2023 Bauhaus-Universität Weimar
Research assistant Media, Content Management, and Web Technology.
04/2022 - 09/2022 Martin-Luther-Universität Halle-Wittenberg
Research assistant Big Data Analytics.
11/2021 - 04/2022 Bauhaus-Universität Weimar
Research assistant Media, Content Management, and Web Technology.
04/2020 - 09/2021 Martin-Luther-Universität Halle-Wittenberg
Research assistant Big Data Analytics.
02/2015 - 07/2019 Klasse! Wir singen – Singen e.V.
Minijob event management and team leader.

Open-Source

02/2023 archive-query-logJupyter Notebook, 24 stars, MIT
The Archive Query Log.
02/2022 ir_axiomsPython, 23 stars, 1 forks, MIT
Intuitive axiomatic retrieval experimentation.
02/2024 mastodon-searchJupyter Notebook, 5 stars, MIT
A Corpus for Simulating Search on Mastodon.
07/2024 clef24-mibi-bioasqPython, 1 stars, MIT
MiBi at BioASQ 2024.
02/2016 material-introJava, 1736 stars, 305 forks, MIT
A simple material design app intro with cool animations and a fluent API.
07/2024 ray-elasticsearchPython, MIT
Ray data source and sink for Elasticsearch.

Awards & Grants

08/2023 ESSIR Student Registration Fee Waiver  400 EUR
07/2023 SIGIR Best Paper Award
The Information Retrieval Experiment Platform. SIGIR 2023 Resource Paper.
07/2023 DAAD Kongressreisenprogramm  1.950 EUR
The Archive Query Log. SIGIR 2023 Resource Paper.
10/2022 Deutschlandstipendium  2.100 EUR
Joint scholarship from the Landesbank Baden-Württemberg and the German Government.
07/2022 CLEF Registration Fee Waiver  100 EUR
Grimjack at Touché 2022: Axiomatic Re-ranking and Query Reformulation. CLEF 2022 Lab Paper.
04/2022 SIGIR Student Travel Grant  1.350 USD
Axiomatic Retrieval Experimentation with ir_axioms. SIGIR 2022 Resource Paper.

Skills

Languages German (native), English (fluent)
Code Python, Kotlin, Java, TeX, JSON, HTML, CSS, TypeScript, Elm, Bash Script, SQL, XML, Julia, Dart, GraphQL, C, Haskell, Go
Frameworks IntelliJ IDEA, VS Code, Git, Docker, Android, Kubernetes, Spark/Hadoop, Elasticsearch, Flutter
Design UI, Figma, app icons
Social Student's Council, Faculty Council