Author : Sven Konstantin

Written on Apr, 05, 2017 by in , | Leave a comment

A Framework for Designing Retrieval Effectiveness Studies of Library Information Systems Using Human Relevance Assessments Abstract 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 Purpose – This paper demonstrates how to apply traditional information retrieval evaluation …

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Written on Mar, 22, 2017 by in , | Leave a comment

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 , | Leave a comment

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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Written on Feb, 28, 2017 by in | Leave a comment

Ringvorlesung „Digitale Information und Manipulation“ 20. April – 22. Juni 2017 Immer donnerstags von 18:00 – 19:30 Uhr Das genaue Programm steht noch nicht fest. Möchten Sie es als erstes bekommen? Dann tragen Sie sich für unseren Newsletter ein! In den aktuellen Informationsumgebungen des Internet stellen sich Fragen nach Information und Manipulation auf eine neue Weise: Welche Rolle spielen manipulierte …

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Written on Feb, 07, 2017 by in | Leave a comment

Is Google responsible for providing fair and unbiased results? Lewandowski, D.: Is Google responsible for providing fair and unbiased results? In: Floridi, L.; Taddeo, M. (eds.): The Responsibilities of Online Service Providers. Berlin Heidelberg: Springer, 2017. S. 61-77. doi: 10.1007/978-3-319-47852-4_4 Download: Preprint Abstract This chapter discusses the responsibilities of Google as the leading search engine provider to provide fair and …

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

Evaluating Web search engines Lewandowski, Dirk: Evaluating web search engines. Online Information Review, 35 (6) Download: Publisher Version

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Written on Jan, 19, 2017 by in | 2 Comments.

Known-Item Searches Resulting in Zero Hits: Considerations for Discovery Systems Abstract 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. doi.org/10.1016/j.acalib.2016.12.002 Download: Preprint The goal of this article is to understand the reasons why known-item search queries entered in a discovery system return zero hits. We …

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Written on Dec, 22, 2016 by in | 1 Comment.
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Relevance Clues: Development and empirical examination of a model for relevance decisions on search results based on individual user criteria In today’s knowledge-based society, people regularly search for information in digital information systems. They decide whether a search result is helpful to solve their search task or not based on diverse and highly subjective criteria. The purpose of this research …

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Written on Nov, 25, 2016 by in | 1 Comment.
Dirk Lewandowski

Prof. Dr. Dirk Lewandowski is a professor of information research and information retrieval at the Hamburg University of Applied Sciences, Germany. He is the editor of Aslib Journal of Information Management (formerly: Aslib Proceedings), a ISI-ranked information science journal. Dirk Lewandowski studied library science at the School of Library Science in Stuttgart, as well as philosophy, information science, and media …

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Written on Nov, 25, 2016 by in | 1 Comment.

Prof. Dr. Ulrike Spree is a Professor for knowledge organization, information and user experience at the Hamburg University of Applied Sciences, Germany. She is chairwoman of the examinationboard and internship comissioner. Ulrike Spree was a lecturer for German language and regional studies until 1990 at the University of Salford (UK). In 1995 she recieved her Ph.D. in history from the …

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