Google Scholar – wie tief gräbt diese Suchmaschine? (How deep does Google Scholar dig?)

Mayr, Philipp and Walter, Anne-Kathrin Google Scholar – wie tief gräbt diese Suchmaschine? (How deep does Google Scholar dig?)., 2006 . In 11. Kongress der IuK-Initiative der Wissenschaftlichen Fachgesellschaft in Deutschland, Bonn, Germany, May 2006. [Conference paper]

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English abstract

The paper discusses the new scientific search service Google Scholar. This search engine, which is intended for searching exclusively scholarly documents, will be described with its most important functionality and then tested empirically. The study is based on queries against different journal lists: international journals from Thomson Scientific, Open Access journals from the DOAJ list and journals of the German social sciences literature database SOLIS as well as the analysis of result data from Google Scholar. The study shows deficiencies in the coverage and up-to-dateness of the Google Scholar index. Furthermore, the study points up which web servers are the most important data providers for this search service and which information sources are represented. We conclude that Google Scholar has some interesting potentials (e.g. citation analysis, free materials) but can not be seen as a substitute for the use of special literature databases due to a couple of weaknesses (e.g. transparency).

German abstract

Der Beitrag widmet sich dem neuen Google-Suchdienst Google Scholar. Die Suchmaschine, die ausschließlich wissenschaftliche Dokumente durchsuchen soll, wird mit ihren wichtigsten Funktionen beschrieben und anschließend einem empirischen Test unterzogen. Die durchgeführte Studie basiert auf drei Zeitschriftenlisten (STM-Zeitschriften von Thomson Scientific, Open Access-Zeitschriften des Verzeichnisses DOAJ und in der Fachdatenbank SOLIS ausgewerteten sozialwissenschaftliche Zeitschriften), deren Abdeckung durch Google Scholar überprüft wurde. Die Studie zeigt Defizite in der Abdeckung und Aktualität des Google Scholar Index. Weiterhin macht die Studie deutlich, wer die wichtigsten Datenlieferanten für den neuen Suchdienst sind und welche wissenschaftlichen Informationsquellen im Index repräsentiert sind. Die Pluspunkte von Google Scholar liegen in seiner Einfachheit, seiner Suchgeschwindigkeit und letztendlich seiner Kostenfreiheit. Die Recherche in Fachdatenbanken kann Google Scholar trotz sichtbarer Potenziale (z. B. Zitationsanalyse) aber heute auf grund mangelnder fachlicher Abdeckung und Transparenz nicht ersetzen.

Item type: Conference paper
Keywords: Scientific search engine, coverage study
Subjects: H. Information sources, supports, channels. > HL. Databases and database Networking.
I. Information treatment for information services > IZ. None of these, but in this section.
H. Information sources, supports, channels. > HN. e-journals.
J. Technical services in libraries, archives, museum. > JZ. None of these, but in this section.
H. Information sources, supports, channels. > HP. e-resources.
H. Information sources, supports, channels. > HA. Periodicals, Newspapers.
L. Information technology and library technology > LS. Search engines.
H. Information sources, supports, channels. > HS. Repositories.
Depositing user: Philipp Mayr
Date deposited: 23 Sep 2006
Last modified: 02 Oct 2014 12:04
URI: http://hdl.handle.net/10760/8138

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URL: http://www.wissenschaftsforschung.de/JB98_297-316.pdf


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