Category : 2015

Written on Apr, 21, 2016 by in ,

Neue Formen der Relevanz-Sortierung in bibliothekarischen Informationssystemen: Das DFG-Projekt LibRank Abstract The project explores new approaches to relevance ranking in library information systems. Based on insights into the ranking of web search engines, quality-indicating factors, e. g. freshness, popularity and availability, are taken into consideration. The conceptualized methods are being implemented into a test system based on a library’s search …

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Written on Apr, 21, 2016 by in ,

Living in a world of biased search engines (Guest Editorial) Lewandowski, D.: Living in a world of biased search engines (Guest Editorial). Online Information Review 39(3), 278-280. DOI: 10.1108/OIR-03-2015-0089 Download: Preprint / Publisher Version Preview When looking at Internet usage, we see that searching is one of the dominant activities (Purcell et al., 2012), with more than 18 billion queries entered …

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Written on Apr, 21, 2016 by in ,

Ranking Search Results in Library Information Systems – Considering Ranking Approaches Adapted From Web Search Engines Behnert, C.; Lewandowski, D.: Ranking Search Results in Library Information Systems – Considering Ranking Approaches Adapted From Web Search Engines. Journal of Academic Librarianship 41(3), 725-735. DOI: 10.1016/j.acalib.2015.07.010 Download: Preprint / Publisher Version Abstract For an information retrieval system to be successful, it must have …

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Written on Apr, 21, 2016 by in ,

Evaluating Popularity Data for Relevance Ranking in Library Information Systems Plassmeier, K.; Borst, T.; Behnert, C.; Lewandowski, D.: Evaluating Popularity Data for Relevance Ranking in Library Information Systems. Proceedings of the 78th Annual Meeting of the Association for Information Science and Technology, St. Louis, Missouri. DOI: 10.1002/pra2.2015.1450520100125 Download: Publisher Version Abstract In this poster, we present our work in progress to …

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Written on Apr, 21, 2016 by in ,

Lebensmittelkontrolle 2.0 Krewinkel, A.; Sünkler, S.; Lewandowski, D.; Finck, N.; Tolg, B.; Kroh, L.W.; Schreiber, G.A.; Fritsche, J.: Lebensmittelkontrolle 2.0. Journal für Verbraucherschutz und Lebensmittelsicherheit. DOI: 10.1007/s00003-015-1000-6 Download: Preprint / Publisher Version Zusammenfassung Der Lebensmittelhandel im Internet erhält eine stetig zunehmende Relevanz im E-Commerce und stellt Überwachungsbehörden vor neue Herausforderungen. Behörden sind dazu verpflichtet, deutsche Lebensmittelhändler nicht nur im stationären Handel, …

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Written on Oct, 12, 2015 by in ,

LibRank – New Approaches for Relevance Ranking in Library Information Systems Abstract The aim of the research project LibRank is to identify, to implement and to systematically evaluate factors for relevance ranking in library information systems. This poster provides a short overview on the main objectives and used research methods with selected first results. Behnert, C.: LibRank: New Approaches for …

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Written on Jun, 03, 2015 by in ,
01_infosys

Kerkmann, F.; Lewandowski, D. (Hrsg.): Barrierefreie Informationssysteme: Zugänglichkeit für Menschen mit Behinderung in Theorie und Praxis. Age of Access? Grundfragen der Informationsgesellschaft. Berlin: de Gruyter Saur, 2015. In Zeiten, in denen soziale Einbindung immer häufiger mit digitaler Partizipation einhergeht, hat der barrierefreie Zugang zum Internet und zu zentralen Informationssystemen eine nicht zu unterschätzende Bedeutung für die gleichberechtigte Teilhabe an der Gesellschaft. …

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Written on Jun, 03, 2015 by in ,
02_sumas

Lewandowski, D.: Suchmaschinen verstehen. Wiesbaden: Springer Vieweg, 2015 Das Buch betrachtet das Thema Suchmaschinen ausgehend von der täglichen Recherche und führt in die technischen Grundlagen, in Recherchetechniken sowie die gesellschaftlichen und wirtschaftlichen Bedingungen der Recherche im Web ein. Suchmaschinen sind heute die wichtigsten Werkzeuge, um an Informationen zu gelangen. Wir verwenden Suchmaschinen täglich, meist ohne weiter darüber nachzudenken. Doch wie …

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Written on May, 12, 2015 by in ,

What Does the German-language Information Science Community Cite?: An Analysis of the German Information Science Handbook “Grundlagen der praktischen Information und Dokumentation” Lewandowski, D.; Haustein, S.: What Does the German-language Information Science Community Cite?: An Analysis of the German Information Science Handbook “Grundlagen der praktischen Information und Dokumentation. In: Pehar, F.; Schlögl, C.; Wolff, C. (eds.): Re:inventing Information Science in the Networked …

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Written on May, 13, 2014 by in ,

Evaluating the retrieval effectiveness of Web search engines using a representative query sample Lewandowski, D.: Evaluating the retrieval effectiveness of web search engines using a representative query sample. In: Journal of the American Society for Information Science and Technology (JASIST) Vol. 66 (2015)  Nr. 9, p. 1763 – 1775. DOI: 10.1002/asi.23304 Download: Preprint / Publisher Version Abstract Search engine retrieval effectiveness …

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