Dirk Lewandowski

ORCID

Publication Activity (10 Years)

Years Active: 2004-2023
Publications (10 Years): 61

Top Venues

Heinrich Heine University Düsseldorf (PHD)

Education History

Heinrich Heine University Düsseldorf

PHD

Publications

Ov Cristian Norocel, Dirk Lewandowski
Google, data voids, and the dynamics of the politics of exclusion. Big Data Soc. 10 (1) (2023)
Helena Häußler, Sebastian Schultheiß, Dirk Lewandowski
Is googling risky? A study on risk perception and experiences of adverse consequences in web search. CoRR (2023)
Dirk Lewandowski, Sebastian Schultheiß
Public awareness and attitudes towards search engine optimization. Behav. Inf. Technol. 42 (8) (2023)
Sebastian Schultheiß, Helena Häußler, Dirk Lewandowski
Does Search Engine Optimization come along with high-quality content? A comparison between optimized and non-optimized health-related web pages. CoRR (2023)
Sebastian Schultheiß, Dirk Lewandowski, Sonja von Mach, Nurce Yagci
Query sampler: generating query sets for analyzing search engines using keyword research tools. PeerJ Comput. Sci. 9 (2023)
Sebastian Schultheiß, Dirk Lewandowski
Misplaced trust? The relationship between trust, ability to identify commercially influenced results and search engine preference. J. Inf. Sci. 49 (3) (2023)
Nurce Yagci, Sebastian Sünkler, Helena Häußler, Dirk Lewandowski
A Comparison of Source Distribution and Result Overlap in Web Search Engines. CoRR (2022)
Nurce Yagci, Sebastian Sünkler, Helena Häußler, Dirk Lewandowski
A Comparison of Source Distribution and Result Overlap in Web Search Engines. ASIST (2022)
Dirk Lewandowski, Sebastian Schultheiß
Public awareness and attitudes towards search engine optimization. CoRR (2022)
Sebastian Schultheiß, Helena Häußler, Dirk Lewandowski
Does Search Engine Optimization come along with high-quality content?: A comparison between optimized and non-optimized health-related web pages. CHIIR (2022)
Sebastian Schultheiß, Dirk Lewandowski
Data set of a representative online survey on search engines with a focus on search engine optimization (SEO): a cross-sectional study. F1000Research 11 (2022)
Olof Sundin, Dirk Lewandowski, Jutta Haider
Whose relevance? Web search engines as multisided relevance machines. J. Assoc. Inf. Sci. Technol. 73 (5) (2022)
Sebastian Sünkler, Dirk Lewandowski
Ist die Webseite suchmaschinenoptimiert? Vorstellung eines Online-Tools zur Analyse der Wahrscheinlichkeit der Suchmaschinenoptimierung auf einer Webseite. ISI (2021)
Sebastian Schultheiß, Dirk Lewandowski
Misplaced trust? The relationship between trust, ability to identify commercially influenced results, and search engine preference. CoRR (2021)
Stephann Makri, Dana McKay, George Buchanan, Shanton Chang, Dirk Lewandowski, Andrew MacFarlane, Lynne Cole, Sanne Vrijenhoek, Andrés Ferraro
Search a Great Leveler? Ensuring More Equitable Information Acquisition. ASIST (2021)
Dirk Lewandowski, Sebastian Sünkler, Nurce Yagci
The influence of search engine optimization on Google's results: : A multi-dimensional approach for detecting SEO. WebSci (2021)
Dirk Lewandowski, Sebastian Sünkler, Sebastian Schultheiß, Helena Häußler, Ulrike Spree, Christiane Behnert
The Search Studies Group at Hamburg University of Applied Sciences. Datenbank-Spektrum 21 (2) (2021)
Sebastian Schultheiß, Dirk Lewandowski
How users' knowledge of advertisements influences their viewing and selection behavior in search engines. J. Assoc. Inf. Sci. Technol. 72 (3) (2021)
Sebastian Sünkler, Dirk Lewandowski
Den Einfluss der Suchmaschinenoptimierung messbar machen: Ein halb-automatisierter Ansatz zur Bestimmung von optimierten Ergebnissen auf Googles Suchergebnisseiten. ISI (2021)
Sebastian Schultheiß, Dirk Lewandowski
"Outside the industry, nobody knows what we do" SEO as seen by search engine optimizers and content providers. J. Documentation 77 (2) (2021)
Sebastian Schultheiß, Dirk Lewandowski
(Un)bekannte Akteure auf der Suchergebnisseite? Ein Vergleich zwischen selbst eingeschätzter und tatsächlich vorhandener Suchmaschinenkompetenz deutscher InternetnutzerInnen. ISI (2021)
Dirk Lewandowski, Yvonne Kammerer
Factors influencing viewing behaviour on search engine results pages: a review of eye-tracking research. Behav. Inf. Technol. 40 (14) (2021)
Dirk Lewandowski, Sebastian Sünkler, Sebastian Schultheiß
Studies on Search: Designing Meaningful IIR Studies on Commercial Search Engines. Datenbank-Spektrum 20 (1) (2020)
Dirk Lewandowski
The web is missing an essential part of infrastructure: an open web index. Commun. ACM 62 (4) (2019)
Dirk Lewandowski, Sebastian Sünkler, Friederike Hanisch
Anzeigenkennzeichnung auf Suchergebnisseiten. Inf. Wiss. Prax. 70 (1) (2019)
Dirk Lewandowski, Ulrike Spree
Die Forschungsgruppe Search Studies an der HAW Hamburg. Inf. Wiss. Prax. 70 (1) (2019)
Joachim Griesbaum, Dirk Lewandowski, Isabella Peters
Information Science in German-speaking countries. Aslib J. Inf. Manag. 71 (3) (2019)
Christiane Behnert, Kim Plassmeier, Timo Borst, Dirk Lewandowski
Evaluierung von Rankingverfahren für bibliothekarische Informationssysteme. Inf. Wiss. Prax. 70 (1) (2019)
Dirk Lewandowski, Sebastian Sünkler
Das Relevance Assessment Tool. Inf. Wiss. Prax. 70 (1) (2019)
Dirk Lewandowski, Sebastian Sünkler
What does Google recommend when you want to compare insurance offerings? Aslib J. Inf. Manag. 71 (3) (2019)
Dirk Lewandowski, Alexandra Krewinkel, Mareike Gleissner, Dorle Osterode, Boris Tolg, Martin Holle, Sebastian Sünkler
Entwicklung und Anwendung einer Software zur automatisierten Kontrolle des Lebensmittelmarktes im Internet mit informationswissenschaftlichen Methoden. Inf. Wiss. Prax. 70 (1) (2019)
Dirk Lewandowski
The Web is missing an essential part of infrastructure: an Open Web Index. CoRR (2019)
Dirk Lewandowski, Friederike Kerkmann, Sandra Ruemmele, Sebastian Sünkler
An empirical investigation on search engine ad disclosure. J. Assoc. Inf. Sci. Technol. 69 (3) (2018)
Dirk Lewandowski, Javed Mostafa, Andrew Dillon, Jim Jansen, Fidelia Ibekwe-Sanjuan, Andrew M. Cox, Samuel K. Chu
Meet the editors - successfully publishing in information science journals. ASIST (2018)
Sebastian Schultheiß, Sebastian Sünkler, Dirk Lewandowski
We still trust in Google, but less than 10 years ago: an eye-tracking study. Inf. Res. 23 (3) (2018)
Dirk Lewandowski, Friederike Kerkmann, Sandra Ruemmele, Sebastian Sünkler
An Empirical Investigation On Search Engine Ad Disclosure. CoRR (2017)
Andreas Henrich, Daniel Blank, Dirk Lewandowski, Theo Härder
Editorial. Datenbank-Spektrum 17 (1) (2017)
Christiane Behnert, Dirk Lewandowski
A framework for designing retrieval effectiveness studies of library information systems using human relevance assessments. J. Documentation 73 (3) (2017)
Dirk Lewandowski, Sebastian Sünkler, Friederike Kerkmann
Are Ads on Google Search Engine Results Pages Labeled Clearly Enough? - The Influence of Knowledge on Search Ads on Users' Selection Behaviour. ISI (2017)
Sebastian Sünkler, Dirk Lewandowski
Does it matter which search engine is used? A user study using post-task relevance judgments. ASIST (2017)
Sebastian Sünkler, Dirk Lewandowski
Does it matter which search engine is used? A user study using post-task relevance judgments. CoRR (2017)
Jamshid Beheshti, Bernard Jim Jansen, Andrew Dillon, Dirk Lewandowski, Javad Mostafa, Julia Khanova, Tom Wilson, Michael Seadle
Publish or perish: Meet the editors a special panel. ASIST (2016)
Dirk Lewandowski
Perspektiven eines Open Web Index. Inf. Wiss. Prax. 67 (1) (2016)
Philipp Schaer, Philipp Mayr, Sebastian Sünkler, Dirk Lewandowski
How Relevant is the Long Tail? - A Relevance Assessment Study on Million Short. CLEF (2016)
Dirk Lewandowski
Die Suchergebnisseite als Dauerwerbesendung? GI-Jahrestagung (2016)
Philipp Schaer, Philipp Mayr, Sebastian Sünkler, Dirk Lewandowski
How Relevant is the Long Tail? A Relevance Assessment Study on Million Short. CoRR (2016)
Heather L. O'Brien, Nicola Ferro, Hideo Joho, Dirk Lewandowski, Paul Thomas, Keith van Rijsbergen
System And User Centered Evaluation Approaches in Interactive Information Retrieval (SAUCE 2016). CHIIR (2016)
Dirk Lewandowski
Google Scholar as a tool for discovering journal articles in library and information science. CoRR (2015)
Georg Singer, Pille Pruulmann-Vengerfeldt, Ulrich Norbisrath, Dirk Lewandowski
The relationship between internet user type and user performance when carrying out simple vs. complex search tasks. CoRR (2015)
Dirk Lewandowski
The retrieval effectiveness of search engines on navigational queries. CoRR (2015)
Dirk Lewandowski
Problems with the use of Web search engines to find results in foreign languages. CoRR (2015)
Nadine Höchstötter, Dirk Lewandowski
What Users See - Structures in Search Engine Results Pages. CoRR (2015)
Dirk Lewandowski
The Influence of Commercial Intent of Search Results on Their Perceived Relevance. CoRR (2015)
Dirk Lewandowski
Evaluating the retrieval effectiveness of web search engines using a representative query sample. J. Assoc. Inf. Sci. Technol. 66 (9) (2015)
Dirk Lewandowski
A Framework for Evaluating the Retrieval Effectiveness of Search Engines. CoRR (2015)
Dirk Lewandowski
Ranking library materials. CoRR (2015)
Dirk Lewandowski
Living in a world of biased search engines. Online Inf. Rev. 39 (3) (2015)
Kim Plassmeier, Timo Borst, Christiane Behnert, Dirk Lewandowski
Evaluating popularity data for relevance ranking in library information systems. ASIST (2015)
Dirk Lewandowski
The Retrieval Effectiveness of Web Search Engines: Considering Results Descriptions. CoRR (2015)
Dirk Lewandowski, Stefanie Haustein
What Does the German-language Information Science Community Cite? - An Analysis of the German Information Science Handbook "Grundlagen der praktischen Information und Dokumentation". ISI (2015)
Dirk Lewandowski
Using Search Engine Technology to Improve Library Catalogs. CoRR (2015)
Dirk Lewandowski
Evaluating the retrieval effectiveness of Web search engines using a representative query sample. CoRR (2014)
Dirk Lewandowski
Comparative review. Aslib J. Inf. Manag. 66 (4) (2014)
Dirk Lewandowski
Die Macht der Suchmaschinen und ihr Einfluss auf unsere Entscheidungen. Inf. Wiss. Prax. 65 (4-5) (2014)
Dirk Lewandowski
Why we need an independent index of the Web. CoRR (2014)
Dirk Lewandowski, Sebastian Sünkler
Relevance Assessment Tool - Ein Werkzeug zum Design und zur Durchführung von Suchmaschinen-Retrievaltests. ISI (2013)
Dirk Lewandowski
Verwendung von Skalenbewertungen in der Evaluierung von Web-Suchmaschinen. ISI (2013)
Georg Singer, Ulrich Norbisrath, Dirk Lewandowski
Ordinary search engine users carrying out complex search tasks. J. Inf. Sci. 39 (3) (2013)
Dirk Lewandowski, Sebastian Sünkler
Designing search engine retrieval effectiveness tests with RAT. Inf. Serv. Use 33 (1) (2013)
Dirk Lewandowski
Suchmaschinenforschung: Möglichkeiten für die Informationswissenschaft. ISI (2013)
Georg Singer, Ulrich Norbisrath, Dirk Lewandowski
An Experiment with Ordinary Web Search Engine Users Carrying Out Complex Search Tasks CoRR (2012)
Georg Singer, Ulrich Norbisrath, Dirk Lewandowski
Impact of Gender and Age on performing Search Tasks Online CoRR (2012)
Georg Singer, Ulrich Norbisrath, Dirk Lewandowski
Impact of Gender and Age on performing Search Tasks Online. Mensch & Computer (2012)
Georg Singer, Pille Pruulmann-Vengerfeldt, Ulrich Norbisrath, Dirk Lewandowski
The relationship between Internet user type and user performance when carrying out simple vs. complex search tasks. First Monday 17 (6) (2012)
Georg Singer, Ulrich Norbisrath, Dirk Lewandowski
Ordinary search engine users assessing difficulty, effort, and outcome for simple and complex search tasks. IIiX (2012)
Dirk Lewandowski
Credibility in Web Search Engines CoRR (2012)
Georg Singer, Ulrich Norbisrath, Dirk Lewandowski
Ordinary Search Engine Users assessing Difficulty, Effort, and Outcome for Simple and Complex Search Tasks CoRR (2012)
Dirk Lewandowski, Jessica Drechsler, Sonja von Mach
Deriving query intents from web search engine queries. J. Assoc. Inf. Sci. Technol. 63 (9) (2012)
Dirk Lewandowski, Ulrike Spree
Ranking of Wikipedia articles in search engines revisited: Fair ranking for reasonable quality? CoRR (2011)
Dirk Lewandowski
The retrieval effectiveness of search engines on navigational queries. Aslib Proc. 63 (4) (2011)
Dirk Lewandowski
Editorial: Evaluating Web search engines. Online Inf. Rev. 35 (6) (2011)
Dirk Lewandowski, Ulrike Spree
Ranking of Wikipedia articles in search engines revisited: Fair ranking for reasonable quality? J. Assoc. Inf. Sci. Technol. 62 (1) (2011)
Georg Singer, Ulrich Norbisrath, Eero Vainikko, Hannu Kikkas, Dirk Lewandowski
Search-logger analyzing exploratory search tasks. SAC (2011)
Dirk Lewandowski
The influence of commercial intent of search results on their perceived relevance. iConference (2011)
Dirk Lewandowski, Eva Nesbach, Nina Mikley
Lokale Suchmaschinen-Evaluierung und Gestaltungsempfehlungen. Mensch & Computer (2010)
Dirk Lewandowski
Google Scholar as a tool for discovering journal articles in library and information science. Online Inf. Rev. 34 (2) (2010)
Christian Maaß, Dirk Lewandowski
Frage-Antwort-Dienste als alternativer Suchansatz? ISI (2009)
Nadine Höchstötter, Dirk Lewandowski
What users see - Structures in search engine results pages. Inf. Sci. 179 (12) (2009)
Dirk Lewandowski
Ranking library materials. Libr. Hi Tech 27 (4) (2009)
Dirk Lewandowski
The retrieval effectiveness of web search engines: considering results descriptions. J. Documentation 64 (6) (2008)
Dirk Lewandowski
Problems with the use of web search engines to find results in foreign languages. Online Inf. Rev. 32 (5) (2008)
Dirk Lewandowski
A three-year study on the freshness of web search engine databases. J. Inf. Sci. 34 (6) (2008)
Dirk Lewandowski
Search engine user behaviour: How can users be guided to quality content? Inf. Serv. Use 28 (3-4) (2008)
Christian Maaß, Dirk Lewandowski
Social Bookmarking und Tagging in der Praxis. Mensch & Computer Workshopband (2008)
Dirk Lewandowski, Philipp Mayr
Exploring the academic invisible web CoRR (2007)
Dirk Lewandowski, Nadine Höchstötter
Qualitätsmessung bei Suchmaschinen - System- und nutzerbezogene Evaluationsmaße. Inform. Spektrum 30 (3) (2007)
Dirk Lewandowski
Suchmaschinen als Konkurrenten der Bibliothekskataloge. ZfBB 53 (2) (2006)
Dirk Lewandowski, Henry Wahlig, Gunnar Meyer-Bautor
The freshness of web search engine databases. J. Inf. Sci. 32 (2) (2006)
Dirk Lewandowski, Philipp Mayr
Exploring the academic invisible web. Libr. Hi Tech 24 (4) (2006)
Dirk Lewandowski
Query types and search topics of German Web search engine users. Inf. Serv. Use 26 (4) (2006)

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Publication Activity (10 Years)

Top Topics

Top Venues

Dirk Lewandowski