Category : Publikationen

Written on Sep, 16, 2018 by in , | 2 Comments.

We still trust in Google, but less than 10 years ago: an eye-tracking study Schultheiß, S., Sünkler, S., & Lewandowski, D. (2018). We still trust in Google, but less than 10 years ago: an eye-tracking study. Information Research, 23(3), paper 799. Retrieved from http://www.informationr.net/ir/23-3/paper799.html Download: Publisher Version Abstract The purpose of this study is to replicate a study from 2007, which found …

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Written on Aug, 23, 2018 by in , | 2 Comments.

Lewandowski, D.: Suchmaschinen verstehen. 2., überarb. u. erw. Aufl., Wiesbaden: Springer Vieweg, 2018 Suchmaschinen sind heute die wichtigsten Werkzeuge, um an Informationen zu gelangen. Wir verwenden Suchmaschinen täglich, meist ohne weiter darüber nachzudenken. Doch wie funktionieren diese Suchwerkzeuge eigentlich genau? Das Buch betrachtet Suchmaschinen aus vier Perspektiven: Technik, Nutzung, Recherche und gesellschaftliche Bedeutung. Es bietet eine klar strukturierte und verständliche …

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Written on Jan, 17, 2018 by in , | 1 Comment.

Users’ Understanding of Search Engine Advertisements Lewandowski, Dirk: Users’ Understanding of Search Engine Advertisements, Journal of Information Science Theory and Practice 5(4): 06-25, 2017. DOI: 10.1633/JISTaP.2017.5.4.1 Download: Publisher Version Abstract In this paper, a large-scale study on users’ understanding of search-based advertising is presented. It is based on (1) a survey, (2) a task-based user study, and (3) an online …

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Written on Oct, 24, 2017 by in , | 3 Comments.

An Empirical Investigation on Search Engine Ad Disclosure Lewandowski, D., Kerkmann, F., Rümmele, S., Sünkler, S. (2018) An Empirical Investigation on Search Engine Ad Disclosure. Journal of the American Society for Information Science and Technology doi.org/10.1002/asi.23963 Download: Preprint Abstract This representative study of German search engine users (N=1,000) focuses on the ability of users to distinguish between organic results and …

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Written on Jul, 26, 2017 by in , | 3 Comments.

Does it matter which search engine is used? A user study using post-task relevance judgments Sünkler, S.; Lewandowski, D.: Does it matter which search engine is used? A user study using post-task relevance judgments. In: Proceedings of the 80th Annual Meeting of the Association of Information Science and Technology, Crystal City, VA, USA. Download: Preprint Abstract The objective of this …

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Written on Jun, 23, 2017 by in , | 1 Comment.

Status Quo und Entwicklungsperspektiven des Suchmaschinenmarkts Lewandowski, D.: Status Quo und Entwicklungsperspektiven des Suchmaschinenmarkts. In: Krone, J.; Pellegrini, T.: Handbuch Medienökonomie. Heidelberg: Springer, 2016. DOI 10.1007/978-3-658-09632-8_38-1 Download: Preprint Abstract Suchmaschinen spielen eine zentrale Rolle für die Auffindbarkeit von Inhalten im Web; andere Zugänge haben hinsichtlich des vermittelten Traffics nur eine untergeordnete Rolle. In diesem Kapitel wird die Bedeutung der Suchmaschinen …

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Written on Jun, 23, 2017 by in , | 1 Comment.

Umgang mit Information Overload Lewandowski, D.: Umgang mit Information Overload. In: Back, A.; Gronau, N.; Tochtermann, K. (Hrsg.): Web 2.0 in der Unternehmenspraxis. 3. Auflage. München: Oldenbourg, 2012, S. 202-207. Download: Preprint Abstract Unter Information Overload wird die Überforderung eines Menschen durch eine Informationsmenge, die er nicht mehr zu verarbeiten im Stande ist, verstanden. In diesem Kapitel wird der Begriff …

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Written on Apr, 05, 2017 by in , | 3 Comments.

A Framework for Designing Retrieval Effectiveness Studies of Library Information Systems Using Human Relevance Assessments Christiane Behnert, Dirk Lewandowski, (2017) “A framework for designing retrieval effectiveness studies of library information systems using human relevance assessments”, Journal of Documentation, Vol. 73 Issue: 3, pp.-, doi: 10.1108/JD-08-2016-0099 Download: Preprint Abstract Purpose – This paper demonstrates how to apply traditional information retrieval evaluation …

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Written on Mar, 22, 2017 by in , | 2 Comments.

Relevance Clues – Developing an Experimental Design to Examine the Criteria Behind Relevance Judgments Behnert, C.: Relevance Clues – Developing an Experimental Design to Examine the Criteria Behind Relevance Judgments In: M. Gäde/V. Trkulja/V. Petras (Eds.): Everything Changes, Everything Stays the Same? Understanding Information Spaces. Proceedings of the 15th International Symposium of Information Science (ISI 2017), Berlin, 13th—15th March 2017. …

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Written on Mar, 21, 2017 by in , | 2 Comments.

Are Ads on Google Search Engine Results Pages Labeled Clearly Enough? Lewandowski, D.,Sünkler, S., Kerkmann, F.: Are Ads on Google Search Engine Results Pages Labeled Clearly Enough? In: M. Gäde/V. Trkulja/V. Petras (Eds.): Everything Changes, Everything Stays the Same? Understanding Information Spaces. Proceedings of the 15th International Symposium of Information Science (ISI 2017), Berlin, 13th—15th March 2017. Glückstadt: Verlag Werner …

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