Bibliometric Analysis Asia-Pacific Research Area ... - JuSER

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Central Library 1.2 Co-Publications on a Country Basis Figures 14 to 18 provide information on scientific co-publications between Germany or the USA and the other countries studied. A co-publication is defined as a scientific publication which includes address information (affiliation) for both Germany (or the USA) and the corresponding country (or countries). The corresponding publication is then counted once for each of the countries involved in the analyses that follow. If we take the absolute values into consideration, most of the co-publications from Germany’s perspective are written together with the USA. In 2007, they totalled more than 13,000. The relative increase in relation to the reference year of 1998 is fairly low at 66 %. In contrast to this, co-publications between Germany and China or South Korea tripled (see Figure 15(a)). Some of the other countries achieved significantly higher growth rates, but in all of these cases, the reference data from 1998 were relatively small. For example, co-publications between Germany and Malaysia increased eighteen-fold, but they began with a mere four joint publications in 1998 (Figure 15(b)). Co-publications Germany 1998-2007 Number of co-publications 1000 900 800 700 600 500 400 300 200 2000 1500 1000 500 Number of co-publications (Australia, China and Japan) 100 0 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 New Zealand Taiwan South Korea Singapore Indonesia Thailand Vietnam Malaysia Iran Australia China Japan 0 Figure 14: Development of co-publications from Germany’s perspective (excluding USA) Figures 16 and 17 present the same aspect from the USA’s perspective. We can see that over time, China pushes back other important co-publication partners, such as Japan, Australia and South Korea. This is the only significant change revealed by Figure 16. This development is closely related to the almost exponential publication development in China in general. From Figure 17, we can see that the number of co-publications in the period 1998 to 2007 has increased fivefold. It real terms, this represents an increase on a high level from 1,754 to 8,971 publications. The often high growth rates for co-publications with Vietnam or Iran are once again based on relatively low reference data in 1998. 11
Central Library Development of co-publications by Germany with … 1998 = 100 % 500% 400% 300% 200% 100% 0% 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 New Zealand Australia Taiwan China South Korea Japan Indonesia Thailand Vietnam USA Figure 15(a): Relative development of co-publications from Germany’s perspective with respect to 1998 (all of the key countries except Singapore, Malaysia and Iran) Development of co-publications by Germany with … 1998 = 100 % 2000% 1800% 1600% 1400% 1200% 1000% 800% 600% 400% 200% 0% 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 Singapore Malaysia Iran Figure 15(b): Relative development of co-publications from Germany’s perspective with respect to 1998 (Singapore, Malaysia and Iran) 12
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