Category : Publikationen

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 Association for Information Science and Technology, 69(3), 420–437. Download: Preprint / Publisher Version Abstract This representative study of German search engine users (N=1,000) focuses on the ability of users to distinguish between …

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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. (2017). Does it matter which search engine is used? A user study using post-task relevance judgments. Proceedings of the Association for Information Science and Technology, 54(1), 405–414. Download: Preprint / Publisher Version Abstract The objective of this research was to find …

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

Status Quo und Entwicklungsperspektiven des Suchmaschinenmarkts Lewandowski, D. (2016). Status Quo und Entwicklungsperspektiven des Suchmaschinenmarkts. In J. Krone & T. Pellegrini (Hrsg.), Handbuch Medienökonomie (S. 1–23). Wiesbaden: Springer Fachmedien Wiesbaden. Download: Preprint / Publisher Version 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 …

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

Umgang mit Information Overload Lewandowski, D. (2012). Umgang mit Information Overload. In A. Back, N. Gronau, & K. Tochtermann (Hrsg.), Web 2.0 in der Unternehmenspraxis (3. Aufl., S. 202–207). München: Oldenbourg-Verlag. 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 …

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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 Behnert, C., & Lewandowski, D. (2017). A framework for designing retrieval effectiveness studies of library information systems using human relevance assessments. Journal of Documentation, 73(3), 509–527. Download: Preprint / Publisher Version Abstract Purpose This paper demonstrates how to apply traditional information retrieval evaluation methods based on …

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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. (2017). Relevance Clues – Developing an Experimental Design to Examine the Criteria Behind Relevance Judgments. In M. Gäde, V. Trkulja, & V. Petras (Hrsg.), Everything Changes, Everything Stays the Same? Understanding Information Spaces. Proceedings of the 15th International Symposium of Information Science (ISI 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. (2017). Are Ads on Google Search Engine Results Pages Labeled Clearly Enough? In M. Gäde, V. Trkulja, & V. Petras (Hrsg.), Everything Changes, Everything Stays the Same? Understanding Information Spaces. Proceedings of the 15th International Symposium of Information Science (ISI 2017), Berlin, …

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Written on Mar, 06, 2017 by in , | 2 Comments.

Die Suche nach dem „Wie…“ – Tutorials als Gegenstand der Suche Kerkmann, F., Sünkler, S., & Schultheiß, S. (2017). Die Suche nach dem „Wie…“ Information – Wissenschaft & Praxis, 68(1), 58–66. Download: Publisher Version Abstract Anleitungen zu verschiedensten Themen, sogenannte Tutorials, erleben seit einiger Zeit einen regelrechten Boom im Web. Immer mehr Angebote werden online gestellt; entsprechend steigt auch der …

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Written on Feb, 07, 2017 by in | 1 Comment.

Is Google responsible for providing fair and unbiased results? Lewandowski, D. (2017). Is Google Responsible for Providing Fair and Unbiased Results? In M. Taddeo & L. Floridi (Hrsg.), The Responsibilities of Online Service Providers (Bd. 31, S. 61–77). Berlin Heidelberg: Springer. Download: Preprint / Publisher Version Abstract This chapter discusses the responsibilities of Google as the leading search engine provider to …

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Written on Jan, 19, 2017 by in | 3 Comments.

Known-Item Searches Resulting in Zero Hits: Considerations for Discovery Systems Behnert, C., & Lewandowski, D. (2017). Known-item Searches Resulting in Zero Hits: Considerations for Discovery Systems. The Journal of Academic Librarianship, 43(2), 128–134. Download: Preprint / Publisher Version Abstract The goal of this article is to understand the reasons why known-item search queries entered in a discovery system return zero hits. …

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