Dirk Lewandowski

118 papers B 4C 10Misc 3Journal 82Unranked 13

Year	Rank	Type	Title / Venue / Authors
2026	B	`conf`	Bias or Balance? Analyzing Stance in Google and Bing Results for the 2024 EU Parliament Election. CHIIR Sebastian Schultheiß, Katja Niemann, Dirk Lewandowski
2026	J	`jnl`	Handbook on Information Sciences Heisig, Peter (Hrsg.). - Cheltenham, UK; Northampton, MA, USA: Edward Elgar Publishing, 2024, 382 S. Gebunden ISBN: 978-1-03534-369-0 ca. 170 Euro, E-Book ISBN 978-1-03534-370-6 ca. 50 Euro. Inf. Wiss. Prax. Dirk Lewandowski
2026	B	`conf`	Result Assessment Tool (RAT): An Open-Source Toolkit for Conducting Studies based on Search Results. CHIIR Sebastian Sünkler, Kardelen Bilir, Tuhina Kumar, Oliver Koop, Sebastian Schultheiß, Dirk Lewandowski
2025	J	`jnl`	Large Language Models for Information Retrieval: Challenges and Chances. Datenbank-Spektrum Timo Breuer, Sameh Frihat, Norbert Fuhr, Dirk Lewandowski, Philipp Schaer, Ralf Schenkel
2025	J	`jnl`	Result Assessment Tool (RAT): empowering search engine data analysis. PeerJ Comput. Sci. Sebastian Sünkler, Dirk Lewandowski, Sebastian Schultheiß, Nurce Yagci
2025	J	`jnl`	Vereinbarkeit von Suchmaschinen und generativer KI: Fragen von Heike Baller an Prof. Dr. Dirk Lewandowski. Inf. Wiss. Prax. Heike Baller, Dirk Lewandowski
2024	J	`jnl`	Is googling risky? A study on risk perception and experiences of adverse consequences in web search. J. Assoc. Inf. Sci. Technol. Helena Häußler, Sebastian Schultheiß, Dirk Lewandowski
2024	J	`jnl`	JASIST Special Issue Editorial: Re-orienting search engine research in information science. J. Assoc. Inf. Sci. Technol. Dirk Lewandowski, Jutta Haider, Olof Sundin
2024	—	`conf`	Result Assessment Tool: Software to Support Studies Based on Data from Search Engines. ECIR (5) Sebastian Sünkler, Nurce Yagci, Sebastian Schultheiß, Sonja von Mach, Dirk Lewandowski
2023	J	`jnl`	Does Search Engine Optimization come along with high-quality content? A comparison between optimized and non-optimized health-related web pages. CoRR Sebastian Schultheiß, Helena Häußler, Dirk Lewandowski
2023	J	`jnl`	Google, data voids, and the dynamics of the politics of exclusion. Big Data Soc. Ov Cristian Norocel, Dirk Lewandowski
2023	J	`jnl`	Is googling risky? A study on risk perception and experiences of adverse consequences in web search. CoRR Helena Häußler, Sebastian Schultheiß, Dirk Lewandowski
2023	J	`jnl`	Misplaced trust? The relationship between trust, ability to identify commercially influenced results and search engine preference. J. Inf. Sci. Sebastian Schultheiß, Dirk Lewandowski
2023	J	`jnl`	Public awareness and attitudes towards search engine optimization. Behav. Inf. Technol. Dirk Lewandowski, Sebastian Schultheiß
2023	J	`jnl`	Query sampler: generating query sets for analyzing search engines using keyword research tools. PeerJ Comput. Sci. Sebastian Schultheiß, Dirk Lewandowski, Sonja von Mach, Nurce Yagci
2023	—	`book`	Understanding Search Engines Dirk Lewandowski
2022	—	`conf`	A Comparison of Source Distribution and Result Overlap in Web Search Engines. ASIST Nurce Yagci, Sebastian Sünkler, Helena Häußler, Dirk Lewandowski
2022	J	`jnl`	A Comparison of Source Distribution and Result Overlap in Web Search Engines. CoRR Nurce Yagci, Sebastian Sünkler, Helena Häußler, Dirk Lewandowski
2022	J	`jnl`	Data set of a representative online survey on search engines with a focus on search engine optimization (SEO): a cross-sectional study. F1000Research Sebastian Schultheiß, Dirk Lewandowski
2022	B	`conf`	Does Search Engine Optimization come along with high-quality content?: A comparison between optimized and non-optimized health-related web pages. CHIIR Sebastian Schultheiß, Helena Häußler, Dirk Lewandowski
2022	J	`jnl`	Public awareness and attitudes towards search engine optimization. CoRR Dirk Lewandowski, Sebastian Schultheiß
2022	J	`jnl`	Whose relevance? Web search engines as multisided relevance machines. J. Assoc. Inf. Sci. Technol. Olof Sundin, Dirk Lewandowski, Jutta Haider
2021	J	`jnl`	"Outside the industry, nobody knows what we do" SEO as seen by search engine optimizers and content providers. J. Documentation Sebastian Schultheiß, Dirk Lewandowski
2021	C	`conf`	(Un)bekannte Akteure auf der Suchergebnisseite? Ein Vergleich zwischen selbst eingeschätzter und tatsächlich vorhandener Suchmaschinenkompetenz deutscher InternetnutzerInnen. ISI Sebastian Schultheiß, Dirk Lewandowski
2021	C	`conf`	Den Einfluss der Suchmaschinenoptimierung messbar machen: Ein halb-automatisierter Ansatz zur Bestimmung von optimierten Ergebnissen auf Googles Suchergebnisseiten. ISI Sebastian Sünkler, Dirk Lewandowski
2021	J	`jnl`	Factors influencing viewing behaviour on search engine results pages: a review of eye-tracking research. Behav. Inf. Technol. Dirk Lewandowski, Yvonne Kammerer
2021	J	`jnl`	How users' knowledge of advertisements influences their viewing and selection behavior in search engines. J. Assoc. Inf. Sci. Technol. Sebastian Schultheiß, Dirk Lewandowski
2021	C	`conf`	Ist die Webseite suchmaschinenoptimiert? Vorstellung eines Online-Tools zur Analyse der Wahrscheinlichkeit der Suchmaschinenoptimierung auf einer Webseite. ISI Sebastian Sünkler, Dirk Lewandowski
2021	J	`jnl`	Misplaced trust? The relationship between trust, ability to identify commercially influenced results, and search engine preference. CoRR Sebastian Schultheiß, Dirk Lewandowski
2021	—	`conf`	Search a Great Leveler? Ensuring More Equitable Information Acquisition. ASIST Stephann Makri, Dana McKay, George Buchanan, Shanton Chang, Dirk Lewandowski, Andrew MacFarlane, Lynne Cole, Sanne Vrijenhoek, Andrés Ferraro
2021	J	`jnl`	The Search Studies Group at Hamburg University of Applied Sciences. Datenbank-Spektrum Dirk Lewandowski, Sebastian Sünkler, Sebastian Schultheiß, Helena Häußler, Ulrike Spree, Christiane Behnert
2021	—	`conf`	The influence of search engine optimization on Google's results: : A multi-dimensional approach for detecting SEO. WebSci Dirk Lewandowski, Sebastian Sünkler, Nurce Yagci
2020	J	`jnl`	Studies on Search: Designing Meaningful IIR Studies on Commercial Search Engines. Datenbank-Spektrum Dirk Lewandowski, Sebastian Sünkler, Sebastian Schultheiß
2019	J	`jnl`	Anzeigenkennzeichnung auf Suchergebnisseiten. Inf. Wiss. Prax. Dirk Lewandowski, Sebastian Sünkler, Friederike Hanisch
2019	J	`jnl`	Das Relevance Assessment Tool. Inf. Wiss. Prax. Dirk Lewandowski, Sebastian Sünkler
2019	J	`jnl`	Die Forschungsgruppe Search Studies an der HAW Hamburg. Inf. Wiss. Prax. Dirk Lewandowski, Ulrike Spree
2019	J	`jnl`	Entwicklung und Anwendung einer Software zur automatisierten Kontrolle des Lebensmittelmarktes im Internet mit informationswissenschaftlichen Methoden. Inf. Wiss. Prax. Dirk Lewandowski, Alexandra Krewinkel, Mareike Gleissner, Dorle Osterode, Boris Tolg, Martin Holle, Sebastian Sünkler
2019	J	`jnl`	Evaluierung von Rankingverfahren für bibliothekarische Informationssysteme. Inf. Wiss. Prax. Christiane Behnert, Kim Plassmeier, Timo Borst, Dirk Lewandowski
2019	J	`jnl`	Information Science in German-speaking countries. Aslib J. Inf. Manag. Joachim Griesbaum, Dirk Lewandowski, Isabella Peters
2019	J	`jnl`	The Web is missing an essential part of infrastructure: an Open Web Index. CoRR Dirk Lewandowski
2019	J	`jnl`	The web is missing an essential part of infrastructure: an open web index. Commun. ACM Dirk Lewandowski
2019	J	`jnl`	What does Google recommend when you want to compare insurance offerings? Aslib J. Inf. Manag. Dirk Lewandowski, Sebastian Sünkler
2018	J	`jnl`	An empirical investigation on search engine ad disclosure. J. Assoc. Inf. Sci. Technol. Dirk Lewandowski, Friederike Kerkmann, Sandra Ruemmele, Sebastian Sünkler
2018	—	`conf`	Meet the editors - successfully publishing in information science journals. ASIST Dirk Lewandowski, Javed Mostafa, Andrew Dillon, Jim Jansen, Fidelia Ibekwe-Sanjuan, Andrew M. Cox, Samuel K. Chu
2018	—	`book`	Suchmaschinen verstehen, 2. Auflage Dirk Lewandowski
2018	J	`jnl`	We still trust in Google, but less than 10 years ago: an eye-tracking study. Inf. Res. Sebastian Schultheiß, Sebastian Sünkler, Dirk Lewandowski
2017	J	`jnl`	A framework for designing retrieval effectiveness studies of library information systems using human relevance assessments. J. Documentation Christiane Behnert, Dirk Lewandowski
2017	J	`jnl`	An Empirical Investigation On Search Engine Ad Disclosure. CoRR Dirk Lewandowski, Friederike Kerkmann, Sandra Ruemmele, Sebastian Sünkler
2017	C	`conf`	Are Ads on Google Search Engine Results Pages Labeled Clearly Enough? - The Influence of Knowledge on Search Ads on Users' Selection Behaviour. ISI Dirk Lewandowski, Sebastian Sünkler, Friederike Kerkmann
2017	—	`conf`	Does it matter which search engine is used? A user study using post-task relevance judgments. ASIST Sebastian Sünkler, Dirk Lewandowski
2017	J	`jnl`	Does it matter which search engine is used? A user study using post-task relevance judgments. CoRR Sebastian Sünkler, Dirk Lewandowski
2017	J	`jnl`	Editorial. Datenbank-Spektrum Andreas Henrich, Daniel Blank, Dirk Lewandowski, Theo Härder
2016	—	`conf`	Die Suchergebnisseite als Dauerwerbesendung? GI-Jahrestagung Dirk Lewandowski
2016	—	`conf`	How Relevant is the Long Tail? - A Relevance Assessment Study on Million Short. CLEF Philipp Schaer, Philipp Mayr, Sebastian Sünkler, Dirk Lewandowski
2016	J	`jnl`	How Relevant is the Long Tail? A Relevance Assessment Study on Million Short. CoRR Philipp Schaer, Philipp Mayr, Sebastian Sünkler, Dirk Lewandowski
2016	J	`jnl`	Perspektiven eines Open Web Index. Inf. Wiss. Prax. Dirk Lewandowski
2016	—	`conf`	Publish or perish: Meet the editors a special panel. ASIST Jamshid Beheshti, Jim Jansen, Andrew Dillon, Dirk Lewandowski, Javad Mostafa, Julia Khanova, Tom Wilson, Michael Seadle
2016	—	`ch.`	Suchmaschinenkompetenz als Baustein der Informationskompetenz. Handbuch Informationskompetenz Dirk Lewandowski
2016	B	`conf`	System And User Centered Evaluation Approaches in Interactive Information Retrieval (SAUCE 2016). CHIIR Heather L. O'Brien, Nicola Ferro, Hideo Joho, Dirk Lewandowski, Paul Thomas, Keith van Rijsbergen
2015	J	`jnl`	A Framework for Evaluating the Retrieval Effectiveness of Search Engines. CoRR Dirk Lewandowski
2015	—	`conf`	Evaluating popularity data for relevance ranking in library information systems. ASIST Kim Plassmeier, Timo Borst, Christiane Behnert, Dirk Lewandowski
2015	J	`jnl`	Evaluating the retrieval effectiveness of web search engines using a representative query sample. J. Assoc. Inf. Sci. Technol. Dirk Lewandowski
2015	J	`jnl`	Google Scholar as a tool for discovering journal articles in library and information science. CoRR Dirk Lewandowski
2015	J	`jnl`	Living in a world of biased search engines. Online Inf. Rev. Dirk Lewandowski
2015	J	`jnl`	Problems with the use of Web search engines to find results in foreign languages. CoRR Dirk Lewandowski
2015	J	`jnl`	Ranking library materials. CoRR Dirk Lewandowski
2015	—	`book`	Suchmaschinen verstehen. Dirk Lewandowski
2015	J	`jnl`	The Influence of Commercial Intent of Search Results on Their Perceived Relevance. CoRR Dirk Lewandowski
2015	J	`jnl`	The Retrieval Effectiveness of Web Search Engines: Considering Results Descriptions. CoRR Dirk Lewandowski
2015	J	`jnl`	The relationship between internet user type and user performance when carrying out simple vs. complex search tasks. CoRR Georg Singer, Pille Pruulmann-Vengerfeldt, Ulrich Norbisrath, Dirk Lewandowski
2015	J	`jnl`	The retrieval effectiveness of search engines on navigational queries. CoRR Dirk Lewandowski
2015	J	`jnl`	Using Search Engine Technology to Improve Library Catalogs. CoRR Dirk Lewandowski
2015	C	`conf`	What Does the German-language Information Science Community Cite? - An Analysis of the German Information Science Handbook "Grundlagen der praktischen Information und Dokumentation". ISI Dirk Lewandowski, Stefanie Haustein
2015	J	`jnl`	What Users See - Structures in Search Engine Results Pages. CoRR Nadine Höchstötter, Dirk Lewandowski
2014	J	`jnl`	Comparative review. Aslib J. Inf. Manag. Dirk Lewandowski
2014	J	`jnl`	Die Macht der Suchmaschinen und ihr Einfluss auf unsere Entscheidungen. Inf. Wiss. Prax. Dirk Lewandowski
2014	J	`jnl`	Evaluating the retrieval effectiveness of Web search engines using a representative query sample. CoRR Dirk Lewandowski
2014	J	`jnl`	Why we need an independent index of the Web. CoRR Dirk Lewandowski
2013	—	`ch.`	Challenges for Search Engine Retrieval Effectiveness Evaluations: Universal Search, User Intents, and Results Presentation. Quality Issues in the Management of Web Information Dirk Lewandowski
2013	J	`jnl`	Designing search engine retrieval effectiveness tests with RAT. Inf. Serv. Use Dirk Lewandowski, Sebastian Sünkler
2013	J	`jnl`	Ordinary search engine users carrying out complex search tasks. J. Inf. Sci. Georg Singer, Ulrich Norbisrath, Dirk Lewandowski
2013	C	`conf`	Relevance Assessment Tool - Ein Werkzeug zum Design und zur Durchführung von Suchmaschinen-Retrievaltests. ISI Dirk Lewandowski, Sebastian Sünkler
2013	C	`conf`	Suchmaschinenforschung: Möglichkeiten für die Informationswissenschaft. ISI Dirk Lewandowski
2013	C	`conf`	Verwendung von Skalenbewertungen in der Evaluierung von Web-Suchmaschinen. ISI Dirk Lewandowski
2012	J	`jnl`	An Experiment with Ordinary Web Search Engine Users Carrying Out Complex Search Tasks CoRR Georg Singer, Ulrich Norbisrath, Dirk Lewandowski
2012	J	`jnl`	Credibility in Web Search Engines CoRR Dirk Lewandowski
2012	J	`jnl`	Deriving query intents from web search engine queries. J. Assoc. Inf. Sci. Technol. Dirk Lewandowski, Jessica Drechsler, Sonja von Mach
2012	J	`jnl`	Impact of Gender and Age on performing Search Tasks Online CoRR Georg Singer, Ulrich Norbisrath, Dirk Lewandowski
2012	Misc	`conf`	Impact of Gender and Age on performing Search Tasks Online. MuC Georg Singer, Ulrich Norbisrath, Dirk Lewandowski
2012	J	`jnl`	Ordinary Search Engine Users assessing Difficulty, Effort, and Outcome for Simple and Complex Search Tasks CoRR Georg Singer, Ulrich Norbisrath, Dirk Lewandowski
2012	—	`conf`	Ordinary search engine users assessing difficulty, effort, and outcome for simple and complex search tasks. IIiX Georg Singer, Ulrich Norbisrath, Dirk Lewandowski
2012	J	`jnl`	The relationship between Internet user type and user performance when carrying out simple vs. complex search tasks. First Monday Georg Singer, Pille Pruulmann-Vengerfeldt, Ulrich Norbisrath, Dirk Lewandowski
2011	J	`jnl`	Editorial: Evaluating Web search engines. Online Inf. Rev. Dirk Lewandowski
2011	J	`jnl`	Ranking of Wikipedia articles in search engines revisited: Fair ranking for reasonable quality? CoRR Dirk Lewandowski, Ulrike Spree
2011	J	`jnl`	Ranking of Wikipedia articles in search engines revisited: Fair ranking for reasonable quality? J. Assoc. Inf. Sci. Technol. Dirk Lewandowski, Ulrike Spree
2011	Misc	`conf`	Search-logger analyzing exploratory search tasks. SAC Georg Singer, Ulrich Norbisrath, Eero Vainikko, Hannu Kikkas, Dirk Lewandowski
2011	—	`conf`	The influence of commercial intent of search results on their perceived relevance. iConference Dirk Lewandowski
2011	J	`jnl`	The retrieval effectiveness of search engines on navigational queries. Aslib Proc. Dirk Lewandowski
2010	J	`jnl`	Google Scholar as a tool for discovering journal articles in library and information science. Online Inf. Rev. Dirk Lewandowski
2010	Misc	`conf`	Lokale Suchmaschinen-Evaluierung und Gestaltungsempfehlungen. MuC Dirk Lewandowski, Eva Nesbach, Nina Mikley
2009	C	`conf`	Frage-Antwort-Dienste als alternativer Suchansatz? ISI Christian Maaß, Dirk Lewandowski
2009	J	`jnl`	Ranking library materials. Libr. Hi Tech Dirk Lewandowski
2009	J	`jnl`	What users see - Structures in search engine results pages. Inf. Sci. Nadine Höchstötter, Dirk Lewandowski
2008	J	`jnl`	A three-year study on the freshness of web search engine databases. J. Inf. Sci. Dirk Lewandowski
2008	J	`jnl`	Problems with the use of web search engines to find results in foreign languages. Online Inf. Rev. Dirk Lewandowski
2008	J	`jnl`	Search engine user behaviour: How can users be guided to quality content? Inf. Serv. Use Dirk Lewandowski
2008	—	`conf`	Social Bookmarking und Tagging in der Praxis. MuC (Workshopband) Christian Maaß, Dirk Lewandowski
2008	J	`jnl`	The retrieval effectiveness of web search engines: considering results descriptions. J. Documentation Dirk Lewandowski
2007	J	`jnl`	Exploring the academic invisible web CoRR Dirk Lewandowski, Philipp Mayr
2007	J	`jnl`	Qualitätsmessung bei Suchmaschinen - System- und nutzerbezogene Evaluationsmaße. Inform. Spektrum Dirk Lewandowski, Nadine Höchstötter
2006	J	`jnl`	Exploring the academic invisible web. Libr. Hi Tech Dirk Lewandowski, Philipp Mayr
2006	J	`jnl`	Query types and search topics of German Web search engine users. Inf. Serv. Use Dirk Lewandowski
2006	J	`jnl`	Suchmaschinen als Konkurrenten der Bibliothekskataloge. ZfBB Dirk Lewandowski
2006	J	`jnl`	The freshness of web search engine databases. J. Inf. Sci. Dirk Lewandowski, Henry Wahlig, Gunnar Meyer-Bautor
2005	—	`—`	Web Information Retrieval: Technologien zur Informationssuche im Internet. Dirk Lewandowski
2005	J	`jnl`	Web searching, search engines and Information Retrieval. Inf. Serv. Use Dirk Lewandowski
2004	J	`jnl`	Date-restricted queries in web search engines. Online Inf. Rev. Dirk Lewandowski
2004	C	`conf`	Datumsbeschränkung bei WWW-Suchanfragen: Eine Untersuchung der Möglichkeiten der zeitlichen Einschränkung von Suchanfragen in den Suchmaschinen Google, Teoma und Yahoo. ISI Dirk Lewandowski