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The Citation Impacts and Citation Environments of Chinese Journals in Mathematics. Scientometrics (forthcoming).

Zhou, Ping and Leydesdorff, Loet (2006) The Citation Impacts and Citation Environments of Chinese Journals in Mathematics. Scientometrics (forthcoming)..

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Abstract

Based on the citation data of journals covered by the China Scientific and Technical Papers and Citations Database (CSTPCD), we obtained aggregated journal-journal citation environments by applying routines developed specifically for this purpose. Local citation impact of journals is defined as the share of the total citations in a local citation environment, which is expressed as a ratio and can be visualized by the size of the nodes. The vertical size of the nodes varies proportionally to a journal’s total citation share, while the horizontal size of the nodes is used to provide citation information after correction for the within-journal (self-) citations. In the “citing” environment, the equivalent of the local citation performance can also be considered as a citation activity index. Using the “citing” patterns as variables one is able to map how the relevant journal environments are perceived by the collective of authors of a journal, while the “cited” environment reflects the impact of journals in a local environment. In this study, we analyze citation impacts of three Chinese journals in mathematics and compare local citation impacts with impact factors. Local citation impacts reflect a journal’s status and function better than (global) impact factors. We also found that authors in Chinese journals prefer international instead of domestic ones as sources for their citations.

EPrint Type:Preprint
Keywords:visualization, citation, vector-space, Pajek, citation impact, mathematics, journal
Subjects:Science Technology Studies
ID Code:1507
Deposited On:23 September 2006
Alternative Locations:http://www.leydesdorff.net/vismath06/index.htm
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