Excellent results are based on solid science and innovation. That’s why members of the ows.eu community are constantly conducting cutting-edge research and attending scientific conferences around the world. Here are some of the results.

Quick Links

Research Publications
Talks + Lectures
Other Presentations

Research Publications

Publications 2024

Janek Bevendorff¹,∗ , Matti Wiegmann²,∗ , Martin Potthast¹³ , and Benno Stein²
Is Google Getting Worse? A Longitudinal Investigation of SEO Spam in Search Engines
In: In Advances in Information Retrieval. 46th European Conference on IR Research (ECIR 2024), Lecture Notes in Computer Science, March 2024. Springer.
Link to publication
¹Leipzig University, ² Bauhaus-Universität Weimar, ³ ScaDS.AI

Publications 2023

Michael Granitzer et al.¹
Impact and Development of an Open Web Index for Open Web Search
In: JASIST, Willey, August 2023
Link to publication
¹University of Passau

Maik Fröbe¹, Jan Heinrich Reimer¹, Sean MacAvaney², Niklas Deckers³, Simon Reich³, Janek Bevendorff⁴, Benno Stein⁴, Matthias Hagen¹, Martin Potthast³
The Information Retrieval Experiment Platform
In: Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR ’23), ACM, July 2023
Link to publication
¹ Friedrich-Schiller-University Jena, ² University of Glasgow, ³ Leipzig University, ⁴ Bauhaus-University Weimar

Janek Bevendorff¹, Sanket Gupta¹, Johannes Kiesel¹, Benno Stein¹
An Empirical Comparison of Web Content Extraction Algorithms
In: Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR ’23), ACM, July 2023
Link to publication
¹ Bauhaus-University Weimar

Harrisen Scells¹ and Martin Potthast¹
Pybool_ir: A Toolkit for Domain-Specific Search Experiments
In: Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR ’23), ACM, July 2023
Link to publication
¹ Leipzig University

Harrisen Scells¹, Ferdinand Schlatt², and Martin Potthast¹
Smooth Operators for Effective Systematic Review Queries
In: Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR ’23), ACM, July 2023
Link to publication
¹ Leipzig University, ² Friedrich-Schiller-University Jena

Jan Heinrich Reimer¹, Sebastian Schmidt², Maik Fröbe¹, Lukas Gienapp², Harrisen Scells², Benno Stein³, Matthias Hagen¹, Martin Potthast²
The Archive Query Log: Mining Millions of Search Result Pages of Hundreds of Search Engines from 25 Years of Web Archives
In: Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR ’23), ACM, July 2023
Link to publication
¹ Friedrich-Schiller-University Jena, ² Leipzig University, ³ Bauhaus-University Weimar

Negin Ghasemi¹, Mohammad Aliannejadi², Hamed Bonab³, Evangelos Kanoulas², Arjen P. de Vries¹, James Allan⁴, and Djoerd Hiemstra¹
Cross-Market Product-Related Question Answering
In: Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR ’23), ACM, July 2023
Link to publication
¹ Radboud University, ² University of Amsterdam, ³ Amazon Inc., ⁴ University of Massachusetts Amherst

Chris Kamphuis¹, Aileen Lin², Siwen Yang², Jimmy Lin², Arjen P. de Vries¹, and Faegheh Hasibi¹
MMEAD: MS MARCO Entity Annotations and Disambiguations
In: Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR ’23), ACM, July 2023
Link to publication
¹ Radboud University, ² University of Waterloo

Miriam Louise Carnot¹, Lorenz Heinemann¹, Jan Braker¹, Tobias Schreieder¹, Johannes Kiesel², Maik Fröbe³, Martin Potthast¹, and Benno Stein²
On Stance Detection in Image Retrieval for Argumentation
In: Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR ’23), ACM, July 2023
Link to publication
¹ Leipzig University, ² Bauhaus-University Weimar, ³ Martin-Luther-Universität Halle Wittenberg

Tim De Jonge¹, Djoerd Hiemstra¹
UNFair: Search Engine Manipulation, Undetectable by Amortized Inequity
In: Proceedings of the 2023 ACM Conference on Fairness, Accountability, and Transparency (FAccT ’23), ACM, July 2023
Link to publication
¹ Radboud University

Sheikh Mastura Farzana¹, Tobias Hecking¹
Geoparsing at Web-scale – Challenges and Opportunities
In: GeoExT 2023: First International Workshop on Geographic Information Extraction from Texts at ECIR 2023, CEUR Workshop proceedings, April 2023
Link to publication
¹ German Aerospace Center (DLR)

Talks + Lectures

2023

Michael Granitzer¹, Christine Plote²
“NGIForum23”
Participation in Panel Discussion on “Open Web Search, Large Language Models and Beyond” at the NGI Forum, 15-16 November 2023
Link to recording
¹ University of Passau, ² Open Search Foundation

Christine Plote¹
“Der Traum vom freien Raum – Das Internet und seine Utopien”
Presentation & Talk at Akademie Tutzing, Tutzing, Germany, October 28, 2023
Link
¹ Open Search Foundation

Stefan Voigt¹
“5-year into the Open Search Initiative: state of play and future perspective”
Presentation & Talk at EnviroInfo 2023, Garching near Munich, Germany, October 11-13, 2023
Link
¹ Open Search Foundation

Dieter Kranzlmüller¹, Stephan Hachinger¹
“Open Search – new approaches towards a sustainable search infrastructure”
Presentation & Talk at EnviroInfo 2023, Garching near Munich, Germany, October 11-13, 2023
Link
Leibniz Supercomputing Centre of the BAdW (LRZ)

Tobias Hecking¹
“OpenSearch@DLR project – new tools for scientific search and access to environmental data”
Presentation & Talk at EnviroInfo 2023, Garching near Munich, Germany, October 11-13, 2023
Link
¹ German Aerospace Center (DLR)

Michael Granitzer¹
“OpenWebSearch.eu – Building an Open Web Index for an open web search ecosystem”
Keynote at LWDA 2023 – “Learning, Knowledge, Data, Analysis”, Marburg, Germany, October 9-11, 2023
Link
¹ University of Passau

Janek Bevendorff¹, Matti Wiegmann¹, Martin Potthast², Benno Stein¹
“Product Spam on YouTube: A Case Study?”
Presentation & Talk at 5th International Open Search Symposium #OSSYM23, Geneva, Switzerland and Online, October 4-6, 2023
Link
¹ Bauhaus University Weimar, ² WEBIS

Djoerd Hiemstra¹, Gijs Hendriksen¹, Chris Kamphuis¹, Arjen P. de Vries¹
“Challenges of index exchange for search engine interoperability?”
Presentation & Talk at 5th International Open Search Symposium #OSSYM23, Geneva, Switzerland and Online, October 4-6, 2023
Link
¹ Radboud University

Maik Fröbe¹, Theresa Elstner², Harrisen Scells³, Benno Stein⁴, Martin Potthast³
“Prototyping Open Web Search Applications with TIRA: A Case Study in Research-oriented Teaching”
Presentation & Talk at 5th International Open Search Symposium #OSSYM23, Geneva, Switzerland and Online, October 4-6, 2023
Link
¹ Friedrich Schiller Universität Jena, ² University of Leipzig, ³ WEBIS, ⁴ Bauhaus University Weimar

Michael Granitzer¹
“openwebsearch.eu – Where do we stand?”
Invited Talk at 5th International Open Search Symposium #OSSYM23, Geneva, Switzerland and Online, October 4-6, 2023
Link
¹ University of Passau

Michael Dinzinger¹, Saber Zerhoudi¹, Michael Granitzer¹, Mohammed Al-Maamari¹, Mahmoud Istaiti¹, Jelena Mitrovic¹
“OWler: Preliminary results for building a Collaborative Open Web Crawler”
Presentation & Talk at 5th International Open Search Symposium #OSSYM23, Geneva, Switzerland and Online, October 4-6, 2023
Link
¹ University of Passau

Ines Zelch Leipzig¹, Matthias Hagen¹, Martin Potthas²
“Commercialized Generative AI: A Critical Study of the Feasibility and Ethics of Generating Native Advertising Using Large Language Models in Conversational Web Search”
Presentation & Talk at 5th International Open Search Symposium #OSSYM23, Geneva, Switzerland and Online, October 4-6, 2023
Link
¹ Friedrich-Schiller-University Jena, ² WEBIS

Mohammed Al-Maamari¹, Mahmoud Istaiti¹, Michael Granitzer¹, Michael Dinzinger¹, Saber Zerhoudi¹, Jelena Mitrovic¹
“A Comprehensive Dataset for Webpage Classification”
Presentation & Talk at 5th International Open Search Symposium #OSSYM23, Geneva, Switzerland and Online, October 4-6, 2023
Link
¹ University of Passau

Jasmin Tietgen¹, Maari Alanko²
“Governance Towards an Open Web Index”
Presentation & Talk at 5th International Open Search Symposium #OSSYM23, Geneva, Switzerland and Online, October 4-6, 2023
Link
¹ Open Search Foundation, ² CSC

Alexander Nussbaumer¹, Sebastian Gürtl¹, Christian Gütl¹, Rohit Kaushik¹, G. Hendriksen²
“Conceptual Design and Implementation of a Prototype Search Application using the Open Web Search Index”
Presentation & Talk at 5th International Open Search Symposium #OSSYM23, Geneva, Switzerland and Online, October 4-6, 2023
Link
¹ Graz University of Technology , ² Radboud University

Alexander Bondarenko¹, Maik Fröbe¹, Johannes Kiesel², Ferdinand Schlatt³, Valentin Barriere⁴, Brian Ravenet⁵, Léo Hemamou⁶, Simon Luck⁷, Jan Heinrich Reimer³, Benno Stein², Martin Potthast⁸, Matthias Hagen³
“Overview of Touché 2023: Argument and Causal Retrieval”
Presentation & Talk at CLEF 2023, Thessaloniki, Greece, September 18-21, 2023
¹ WEBIS, ² Bauhaus University Weimar, ³ Friedrich-Schiller-University Jena, ⁴ Centro Nacional de Inteligencia Artificial (CENIA), ⁵ University Paris-Saclay, ⁶ Sanofi R&D, ⁷ University of Bologna, ⁸ University of Leipzig

Janek Bevendorff¹, Ian Borrego-Obrador², Mara Chinea-Ríos², Marc Franco-Salvador², Maik Fröbe³, Annina Heini⁴, Krzysztof Kredens⁴, Maximilian Mayerl⁵, Piotr Pęzik⁴, Martin Potthast⁶, Francisco Rangel², Paolo Rosso⁴, Efstathios Stamatatos⁷, Benno Stein¹, Matti Wiegmann¹, Magdalena Wolska¹, Eva Zangerle⁵
“Overview of PAN 2023: Authorship Verification, Multi-Author Writing Style Analysis, Profiling Cryptocurrency Influencers, and Trigger Detection Condensed Lab Overview”
Presentation & Talk at CLEF 2023, Thessaloniki, Greece, September 18-21, 2023
¹ Bauhaus University Weimar, ² Symanto Research, ³ WEBIS, ⁴ Aston University, ⁵ University of Innsbruck, ⁶ University of Leipzig, ⁷ University of the Aegean,

Michael Granitzer¹
“OpenWebSearch.eu – Building an Open Web Index for an open web search ecosystem”
Keynote at Flexible Query and Answering Conference 2023, Palma de Mallorca, September 5-7, 2023
Link
¹ University of Passau

Maik Fröbe¹, Tim Gollub², Benno Stein², Matthias Hagen³, Martin Potthast⁴
“Clickbait Spoiling”
Presentation & Talk at SemEval2023@ACL23 in Toronto, Canada, July 9-14, 2023
¹ WEBIS, ² Bauhaus University Weimar, ³ Martin-Luther-University Halle-Wittenberg, ⁴ University of Leipzig

Michael Granitzer¹
“Foundation AI, LLMs and Generative AI”
Talk, BDVA Activity Group (AG54), online, 29 June 2023
¹ University of Passau

Michael Granitzer¹
“European Web Crawls and LLMs: the OpenWebSearch.eu Project. ”
Invited Talk at Meta-Forum 2023, Brussles, Belgium, 27 June 2023
Link
¹ University of Passau

Christine Plote, Alexander Decker¹
“Digital Native oder Digital Naive? Was jeder über Google & Co wissen sollte …”
Invited Talk at HAW (Hamburg University of Applied Sciences), Hamburg, Germany, 7 June 2023
¹ Open Search Foundation

Michael Dinzinger¹
“Distributed and legally compliant crawling in the OpenWebSearch.EU project”
Presentation at IRIXYS workshop, INSA Lyon, France, May 10 2023
¹ University of Passau

Maik Fröbe¹, Lukas Gienapp², Martin Potthast², Matthias Hagen³
“Bootstrapped nDCG Estimation”
Presentation & Talk at ECIR 2023 in Dublin, Ireland, April 2-6, 2023
¹ WEBIS, ² University of Leipzig, ³ Martin-Luther-University Halle-Wittenberg

Maik Fröbe¹, Matti Wiegmann², Nikolay Kolyada², Bastian Grahm³, Theresa Elstner³, Frank Loebe³, Matthias Hagen⁴, Benno Stein², Martin Potthast³
“Continuous Integration for Reproducible Shared Tasks with TIRA.io”
Presentation & Talk at ECIR 2023 in Dublin, Ireland, April 2-6, 2023
¹ WEBIS, ² Bauhaus University Weimar, ³ University of Leipzig, ⁴ Friedrich-Schiller-University Jena

Stefan Voigt¹
“Auf dem Weg zu einer offenen Europäischen Internetsuche – Wie ein offener Webindex Europas digitale Souveränität fördert.”
Webinar at Gesellschaft für Informatik, online, 23 March 2023
¹ Open Search Foundation

Michael Dinzinger¹ , Aurora Gonzalez Vidal²
“Two sister initiatives for a paradigm change in open search and discovery on the internet”
Contributed Lightning Talk at FOSDEM 2023, Brussles, Belgium, February 5, 2023
Link
¹ University of Passau, ² NGI Search

Stefan Voigt¹, Michael Granitzer², Isabell Claus³, Christine Plote¹
“Towards an Open European Internet Search”
Online lecture at DG CONNECT University Online Session, January 19, 2023
Link
¹ Open Search Foundation, ² University of Passau, ³ thinkers.ai

Christine Plote¹, Stefan Voigt¹
“Die Internetsuche auf dem Prüfstand – Warum wir Alternativen zu Google & Co brauchen,
und was jeder von uns tun kann”
Webinar at BayernLab, online, January 11, 2023
Link
¹ Open Search Foundation

2022

Michael Granitzer¹, Per Öster², Lukas Vojacek³
“Towards an Open Web Search Infrastructure”
Contributed talk at European Open Science Cloud Symposium, Prague, Czech Republic, November 11 2022
Link
¹ University Passau, ² CSC, ³ IT4I

Stefan Voigt¹
Invited Talk
EC High Level Meeting for the future of the internet in Prague, Czech Republic, November 2, 2022
¹ Open Search Foundation

Michael Granitzer¹
“Piloting Open Websearch: OpenWebSearch.eu”
Invited Talk at 4th Open Search Symposium #ossym22, Geneva, Switzerland, October 10 2022
Link
¹ University Passau

Tim Smith¹
“Search, Open Search and Science online”
TED Talk at TEDx Verbier, September 3 2022
Link to Stream
¹ European Organization for Nuclear Research (CERN)

Excellent results are based on solid science and innovation. That’s why members of the ows.eu community are constantly conducting cutting-edge research and attending scientific conferences around the world. Here are some of the results.

Research Publications

Publications 2024

Publications 2023

Talks + Lectures

2023

2022

Other Presentations

2024

2023

2022