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Abstract: The Internet-based encyclopaedia Wikipedia has grown to become one of themost visited web-sites on the Internet. However, critics have questioned thequality of entries, and an empirical study has shown Wikipedia to containerrors in a 2005 sample of science entries. Biased coverage and lack of sourcesare among the -Wikipedia risks-. The present work describes a simple assessmentof these aspects by examining the outbound links from Wikipedia articles toarticles in scientific journals with a comparison against journal statisticsfrom Journal Citation Reports such as impact factors. The results show anincreasing use of structured citation markup and good agreement with thecitation pattern seen in the scientific literature though with a slighttendency to cite articles in high-impact journals such as Nature and Science.These results increase confidence in Wikipedia as an good information organizerfor science in general.

Autor: Finn Aarup Nielsen


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