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

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Central Library<br />

1.3 Co-Publications on a Country Basis between the Countries Studied<br />

Figures 18 to 34 deal with the co-publication output between the countries studied. Similar to<br />

the total publication output, the tendency towards international cooperation also experiences a<br />

general increase. Figure 18 illustrates the number of co-publications between the countries<br />

studied for the entire period 1998 – 2007. Countries with a high volume of publications in<br />

absolute terms also tend to have a high absolute number of co-publications.<br />

Co-publications per country 1998-2007<br />

20000<br />

18000<br />

Australia<br />

Taiwan<br />

16000<br />

14000<br />

China<br />

South Korea<br />

Japan<br />

12000<br />

10000<br />

Singapore<br />

Indonesia<br />

Thailand<br />

Vietnam<br />

Malaysia<br />

Iran<br />

8000<br />

6000<br />

4000<br />

2000<br />

0<br />

New Zealand<br />

Australia<br />

Taiwan<br />

China<br />

South Korea<br />

Japan<br />

Singapore<br />

Indonesia<br />

Thailand<br />

Vietnam<br />

Malaysia<br />

Iran<br />

New Zealand<br />

Australia<br />

Taiwan<br />

China<br />

South Korea<br />

Japan<br />

Singapore<br />

Indonesia<br />

Thailand<br />

Vietnam<br />

Malaysia<br />

Iran<br />

Figure 18: Number of co-publications per country for the period 1998-2007<br />

In Figures 19 and 20, the data shown in Figure 18 for the entire period under review are split<br />

into two equally long periods of five years each in order to make the development over time<br />

clearer. For example, this allows us to determine an above-average increase in the number of<br />

co-publications between Singapore and China and between Australia and Japan.<br />

15

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