Category : Publikationen

Written on Apr, 21, 2016 by in ,

Suchmaschinen Lewandowski, D.: Suchmaschinen. In: Kuhlen, R.; Semar, W.; Strauch, D.: Grundlagen der praktischen Information und Dokumentation. Berlin: de Gruyter, 2013. S. 494-508. DOI:10.1515/9783110258264.494 Download: Publisher Version Einleitung Eine Suchmaschine (auch: Web-Suchmaschine; Universalsuchmaschine) ist ein Computersystem, das Inhalte aus dem World Wide Web mittels Crawling erfasst und über eine Benutzerschnittstelle durchsuchbar macht, wobei die Ergebnisse in einer nach systemseitig angenommener Relevanz …

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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 Apr, 21, 2016 by in ,

Perspektiven eines Open Web Index Lewandowski, D.: Perspektiven eines Open Web Index. Information Wissenschaft und Praxis 67(2016)1, 15-21. DOI: 10.1515/iwp-2016-0020 Download: Preprint / Publisher Version Abstract The European search engine market has been dominated by one single search engine, namely Google, for many years. Most commentators agree that this situation is undesirable, and a discussion has started on ways to solve …

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Written on Apr, 21, 2016 by in ,

Suchmaschinenkompetenz als Baustein der Informationskompetenz Lewandowski, D.: Suchmaschinenkompetenz als Baustein der Informationskompetenz. In: Sühl-Strohmenger, W. (Hrsg.): Handbuch Informationskompetenz (2., überarbeitete Auflage). Berlin: De Gruyter. S. 115-126. DOI: 10.1515/9783110403367-013 Download: Preprint / Publisher Version Abstract Suchmaschinen sind für viele Nutzer der Zugang zu Informationen im Netz und oft fehlt ihnen die Kenntnis anderer Suchwerkzeuge. In diesem Kapitel wird das Thema Informationskompetenz anhand …

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Written on Apr, 21, 2016 by in ,

Concept for Automated Computer-Aided Identification and Evaluation of Potentially Non-Compliant Food Products Traded via Electronic Commerce Krewinkel, A.; Sünkler, S.; Lewandowski, D.; Finck, N.; Tolg, B.; Kroh, L.W.; Schreiber, G.A.; Fritsche, J.: Concept for Automated Computer-Aided Identification and Evaluation of Potentially Non-Compliant Food Products Traded via Electronic Commerce. Food Control 61(2016), 204-212. DOI:10.1016/j.foodcont.2015.09.039 Download: Preprint / Publisher Version Abstract The …

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Written on Dec, 03, 2015 by in

Evaluating Popularity Data for Relevance Ranking in Library Information Systems In this poster, we present our work in progress to develop a relevance model for library information systems, which takes non-textual factors into account. Here we focus on popularity data like citation or usage data. These data contain various biases that need to be corrected so as not to degrade …

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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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