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Web citation data for impact assessment: A comparison of four science disciplines

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  • Liwen Vaughan
  • Debora Shaw

Abstract

The number and type of Web citations to journal articles in four areas of science are examined: biology, genetics, medicine, and multidisciplinary sciences. For a sample of 5,972 articles published in 114 journals, the median Web citation counts per journal article range from 6.2 in medicine to 10.4 in genetics. About 30% of Web citations in each area indicate intellectual impact (citations from articles or class readings, in contrast to citations from bibliographic services or the author's or journal's home page). Journals receiving more Web citations also have higher percentages of citations indicating intellectual impact. There is significant correlation between the number of citations reported in the databases from the Institute for Scientific Information (ISI, now Thomson Scientific) and the number of citations retrieved using the Google search engine (Web citations). The correlation is much weaker for journals published outside the United Kingdom or United States and for multidisciplinary journals. Web citation numbers are higher than ISI citation counts, suggesting that Web searches might be conducted for an earlier or a more fine‐grained assessment of an article's impact. The Web‐evident impact of non‐UK/USA publications might provide a balance to the geographic or cultural biases observed in ISI's data, although the stability of Web citation counts is debatable.

Suggested Citation

  • Liwen Vaughan & Debora Shaw, 2005. "Web citation data for impact assessment: A comparison of four science disciplines," Journal of the American Society for Information Science and Technology, Association for Information Science & Technology, vol. 56(10), pages 1075-1087, August.
    • Handle: RePEc:bla:jamist:v:56:y:2005:i:10:p:1075-1087
    DOI: 10.1002/asi.20199
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    Cited by:

    1. Pardeep Sud & Mike Thelwall, 2014. "Evaluating altmetrics," Scientometrics, Springer;Akadémiai Kiadó, vol. 98(2), pages 1131-1143, February.
    2. Ortega, José Luis, 2014. "Influence of co-authorship networks in the research impact: Ego network analyses from Microsoft Academic Search," Journal of Informetrics, Elsevier, vol. 8(3), pages 728-737.
    3. Iman Tahamtan & Askar Safipour Afshar & Khadijeh Ahamdzadeh, 2016. "Factors affecting number of citations: a comprehensive review of the literature," Scientometrics, Springer;Akadémiai Kiadó, vol. 107(3), pages 1195-1225, June.
    4. Bhaskar Mukherjee & Siniša Subotić & Ajay Kumar Chaubey, 2018. "And now for something completely different: the congruence of the Altmetric Attention Score’s structure between different article groups," Scientometrics, Springer;Akadémiai Kiadó, vol. 114(1), pages 253-275, January.
    5. Negin Salimi, 2017. "Quality assessment of scientific outputs using the BWM," Scientometrics, Springer;Akadémiai Kiadó, vol. 112(1), pages 195-213, July.
    6. Bornmann, Lutz, 2014. "Do altmetrics point to the broader impact of research? An overview of benefits and disadvantages of altmetrics," Journal of Informetrics, Elsevier, vol. 8(4), pages 895-903.
    7. Rongying Zhao & Mingkun Wei, 2017. "Academic impact evaluation of Wechat in view of social media perspective," Scientometrics, Springer;Akadémiai Kiadó, vol. 112(3), pages 1777-1791, September.
    8. Mike Thelwall, 2012. "Journal impact evaluation: a webometric perspective," Scientometrics, Springer;Akadémiai Kiadó, vol. 92(2), pages 429-441, August.
    9. Amalia Mas-Bleda & Mike Thelwall, 2016. "Can alternative indicators overcome language biases in citation counts? A comparison of Spanish and UK research," Scientometrics, Springer;Akadémiai Kiadó, vol. 109(3), pages 2007-2030, December.
    10. Nunkoo, Robin & Hall, C. Michael & Rughoobur-Seetah, Soujata & Teeroovengadum, Viraiyan, 2019. "Citation practices in tourism research: Toward a gender conscientious engagement," Annals of Tourism Research, Elsevier, vol. 79(C).
    11. Xuemei Li & Mike Thelwall & Dean Giustini, 2012. "Validating online reference managers for scholarly impact measurement," Scientometrics, Springer;Akadémiai Kiadó, vol. 91(2), pages 461-471, May.
    12. Kayvan Kousha & Mike Thelwall, 2008. "Sources of Google Scholar citations outside the Science Citation Index: A comparison between four science disciplines," Scientometrics, Springer;Akadémiai Kiadó, vol. 74(2), pages 273-294, February.
    13. Chuanfu Chen & Kai Sun & Gang Wu & Qiong Tang & Jian Qin & Kuei Chiu & Yushuang Fu & Xiaofang Wang & Jing Liu, 2009. "The impact of internet resources on scholarly communication: A citation analysis," Scientometrics, Springer;Akadémiai Kiadó, vol. 81(2), pages 459-474, November.
    14. Ehsan Mohammadi & Mike Thelwall, 2013. "Assessing non-standard article impact using F1000 labels," Scientometrics, Springer;Akadémiai Kiadó, vol. 97(2), pages 383-395, November.
    15. Kousha, Kayvan & Thelwall, Mike & Rezaie, Somayeh, 2010. "Using the Web for research evaluation: The Integrated Online Impact indicator," Journal of Informetrics, Elsevier, vol. 4(1), pages 124-135.
    16. Amalia Mas-Bleda & Mike Thelwall & Kayvan Kousha & Isidro F. Aguillo, 2014. "Do highly cited researchers successfully use the social web?," Scientometrics, Springer;Akadémiai Kiadó, vol. 101(1), pages 337-356, October.
    17. Bar-Ilan, Judit, 2008. "Informetrics at the beginning of the 21st century—A review," Journal of Informetrics, Elsevier, vol. 2(1), pages 1-52.
    18. Liwen Vaughan & Debora Shaw, 2008. "A new look at evidence of scholarly citation in citation indexes and from web sources," Scientometrics, Springer;Akadémiai Kiadó, vol. 74(2), pages 317-330, February.
    19. Brint, Steven, 2006. "Can Public Research Universities Compete?," University of California at Berkeley, Center for Studies in Higher Education qt7pb373fw, Center for Studies in Higher Education, UC Berkeley.
    20. Andrew N Kadykalo & Lisa A Kelly & Albana Berberi & Jessica L Reid & C Scott Findlay, 2021. "Research effort devoted to regulating and supporting ecosystem services by environmental scientists and economists," PLOS ONE, Public Library of Science, vol. 16(5), pages 1-21, May.

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