Journal of Data and Information Science  2015, Vol. 8 Issue (2): 11-24    DOI:
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The reflection of hierarchical cluster analysis of co-occurrence matrices in SPSS
Qiuju ZHOU1, Fuhai LENG1 & Loet LEYDESDORFF2
1 National Science Library, Chinese Academy of Sciences, 100190 Beijing, China;
2 University of Amsterdam, Amsterdam School of Communication Research (ASCoR), PO Box 15793, 1001 NG Amsterdam, the Netherlands

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