Dirk Lewandowski

2026

Bias or Balance? Analyzing Stance in Google and Bing Results for the 2024 EU Parliament Election.

Sebastian Schultheiß|Katja Niemann|Dirk Lewandowski

Proceedings of the 2026 Conference on Human Information Interaction and Retrieval, CHIIR 2026, Seattle, WA, USA, March 22-26, 2026

Result Assessment Tool (RAT): An Open-Source Toolkit for Conducting Studies based on Search Results.

Sebastian Sünkler|Kardelen Bilir|Tuhina Kumar|Oliver Koop|Sebastian Schultheiß|Dirk Lewandowski

Proceedings of the 2026 Conference on Human Information Interaction and Retrieval, CHIIR 2026, Seattle, WA, USA, March 22-26, 2026

2024

Is googling risky? A study on risk perception and experiences of adverse consequences in web search.

Helena Häußler|Sebastian Schultheiß|Dirk Lewandowski

Journal of the Association for Information Science and Technology (JASIST) 2024 Volume 75 Issue 5

JASIST Special Issue Editorial: Re-orienting search engine research in information science.

Dirk Lewandowski|Jutta Haider|Olof Sundin

Journal of the Association for Information Science and Technology (JASIST) 2024 Volume 75 Issue 5

Result Assessment Tool: Software to Support Studies Based on Data from Search Engines.

Sebastian Sünkler|Nurce Yagci|Sebastian Schultheiß|Sonja von Mach|Dirk Lewandowski

Advances in Information Retrieval - 46th European Conference on Information Retrieval, ECIR 2024, Glasgow, UK, March 24-28, 2024, Proceedings, Part V

2022

Whose relevance? Web search engines as multisided relevance machines.

Olof Sundin|Dirk Lewandowski|Jutta Haider

Journal of the Association for Information Science and Technology (JASIST) 2022 Volume 73 Issue 5

Does Search Engine Optimization come along with high-quality content?: A comparison between optimized and non-optimized health-related web pages.

Sebastian Schultheiß|Helena Häußler|Dirk Lewandowski

CHIIR '22: ACM SIGIR Conference on Human Information Interaction and Retrieval, Regensburg, Germany, March 14 - 18, 2022

2021

How users' knowledge of advertisements influences their viewing and selection behavior in search engines.

Sebastian Schultheiß|Dirk Lewandowski

Journal of the Association for Information Science and Technology (JASIST) 2021 Volume 72 Issue 3

2018

An empirical investigation on search engine ad disclosure.

Dirk Lewandowski|Friederike Kerkmann|Sandra Ruemmele|Sebastian Sünkler

Journal of the Association for Information Science and Technology (JASIST) 2018 Volume 69 Issue 3

2016

System And User Centered Evaluation Approaches in Interactive Information Retrieval (SAUCE 2016).

Heather L. O'Brien|Nicola Ferro|Hideo Joho|Dirk Lewandowski|Paul Thomas|Keith van Rijsbergen

Proceedings of the 2016 ACM Conference on Human Information Interaction and Retrieval, CHIIR 2016, Carrboro, North Carolina, USA, March 13-17, 2016

How Relevant is the Long Tail? - A Relevance Assessment Study on Million Short.

Philipp Schaer|Philipp Mayr|Sebastian Sünkler|Dirk Lewandowski

Experimental IR Meets Multilinguality, Multimodality, and Interaction - 7th International Conference of the CLEF Association, CLEF 2016, Évora, Portugal, September 5-8, 2016, Proceedings

2015

Evaluating the retrieval effectiveness of web search engines using a representative query sample.

Dirk Lewandowski

Journal of the Association for Information Science and Technology (JASIST) 2015 Volume 66 Issue 9

2012

Deriving query intents from web search engine queries.

Dirk Lewandowski|Jessica Drechsler|Sonja von Mach

Journal of the Association for Information Science and Technology (JASIST) 2012 Volume 63 Issue 9

Ordinary search engine users assessing difficulty, effort, and outcome for simple and complex search tasks.

Georg Singer|Ulrich Norbisrath|Dirk Lewandowski

Information Interaction in Context: 2012, IIix'12, Nijmegen, The Netherlands, August 21-24, 2012

2011

Ranking of Wikipedia articles in search engines revisited: Fair ranking for reasonable quality?

Dirk Lewandowski|Ulrike Spree

Journal of the Association for Information Science and Technology (JASIST) 2011 Volume 62 Issue 1