Bibliometric Analysis Asia-Pacific Research Area ... - JuSER
Bibliometric Analysis Asia-Pacific Research Area ... - JuSER
Bibliometric Analysis Asia-Pacific Research Area ... - JuSER
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Central Library<br />
Citation rates for nanotechnology<br />
(countries with minimum 300 publications in nanotechnology from 1998 to 2007)<br />
15<br />
Average number of citations per article<br />
12<br />
9<br />
6<br />
3<br />
0<br />
1998 1999 2000 2001 2002 2003 2004 2005 2006 2007<br />
Germany China Japan Australia Taiwan South Korea Singapore<br />
Figure 76: Citation rates for the subject category “nanotechnology” over time<br />
The graphs that follow show the citation rates of the disciplines over time grouped according to<br />
each country studied. This allows us to draw conclusions on the perception of countries in the<br />
disciplines and to compare the impact of a discipline in the respective countries. Relatively small<br />
numbers in the publication output are partially responsible for significant shifts. It can also be<br />
seen, for example, that Iranian publications in multidisciplinary journals are only perceived to a<br />
very limited degree and that the citation rate for this subject category is the worst of all of the<br />
Iranian citation rates. In contrast to this, this subject category is top of the list for all of the other<br />
countries analysed and at times must be placed on a secondary axis.<br />
A drop in the citation rates as we approach the present is not unusual because newer<br />
publications have had less time to be read and then cited in other subsequent publications.<br />
109