Using the Web for research evaluation: The Integrated Online Impact indicator |
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| Authors: | Kayvan Kousha Mike Thelwall Somayeh Rezaie |
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| Institution: | 1. Department of Library and Information Science, University of Tehran, Jalle-Ahmad Highway, P.O. Box 14155-6456, Tehran, Iran;2. School of Computing and Information Technology, University of Wolverhampton, Wulfruna Street, Wolverhampton WV1 1ST, UK;3. Department of Library and Information Science, Shahid Beheshti University, Evin Ave, P.O. Box 1983963113, Tehran, Iran;1. Departamento de Economía, Universidad Carlos III of Madrid, Spain;2. Centre for Science and Technology Studies, Leiden University, The Netherlands;1. Division for Science and Innovation Studies, Administrative Headquarters of the Max Planck Society, Hofgartenstr. 8, 80539 Munich, Germany;2. Amsterdam School of Communication Research (ASCoR), University of Amsterdam, PO Box 15793, 1001 NG Amsterdam, The Netherlands;1. Library of Taizhou University, No. 605, Dongfang Avene, Linhai, Zhejiang 317000, People?s Republic of China;2. Trend Research Centre, Asia University, Taichung 41354, Taiwan;1. Institute for Science, Technology and Society, Henan Normal University, Xinxiang 453007, China;2. School of Management, Henan University of Technology, Zhengzhou 450001, China;3. University of Antwerp (UA), IOIW-IBW, Venusstraat 35, 2000 Antwerp, Belgium;4. KU Leuven, Dept. Mathematics, Celestijnenlaan 200B, 3000 Leuven (Heverlee), Belgium |
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| Abstract: | Previous research has shown that citation data from different types of Web sources can potentially be used for research evaluation. Here we introduce a new combined Integrated Online Impact (IOI) indicator. For a case study, we selected research articles published in the Journal of the American Society for Information Science & Technology (JASIST) and Scientometrics in 2003. We compared the citation counts from Web of Science (WoS) and Scopus with five online sources of citation data including Google Scholar, Google Books, Google Blogs, PowerPoint presentations and course reading lists. The mean and median IOI was nearly twice as high as both WoS and Scopus, confirming that online citations are sufficiently numerous to be useful for the impact assessment of research. We also found significant correlations between conventional and online impact indicators, confirming that both assess something similar in scholarly communication. Further analysis showed that the overall percentage for unique Google Scholar citations outside the WoS were 73% and 60% for the articles published in JASIST and Scientometrics, respectively. An important conclusion is that in subject areas where wider types of intellectual impact indicators outside the WoS and Scopus databases are needed for research evaluation, IOI can be used to help monitor research performance. |
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