Global maps of science based on the new Web-of-Science categories.

Global maps of science based on the new Web-of-Science categories.
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DOI:
10.1007/s11192-012-0784-8
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发表时间:
2013-02
期刊:
影响因子:
3.9
通讯作者:
Rafols I
Rafols I
中科院分区:
管理学3区
文献类型:
--
作者:
Leydesdorff L;Carley S;Rafols I

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2011年8月,汤森路透在科学网(WOS)上推出了科学和社会科学引文索引第5版。除其他外,WOS版本4中这两个数据库的222个ISI主题类别(SC)被重新命名,并扩展到225个WOS类别(WCs)。增加了一组新的151个主题领域,但聚合程度更高。也许令人困惑的是,这些主题领域现在在下载中缩写为“SC”,而“WC”用于WOS类别。由于我们以前使用ISISC作为Pajek全球地图的基线(Pajek可在http://vlado.fmf.uni-lj.si/pub/networks/pajek/)(Rafols等人,美国信息科学与技术学会期刊61:1871年至1887年,2010年)免费获得),并使该设施上线(在http://www.leydesdorff.net/overlaytoolkit),,我们使用2010年期刊引文报告重新校准了新WC类别的地图。在新的安装中,也可以使用VOS查看器来制作底图(VOS查看器可以在http://www.VOSviewer.com/)上免费获得(Van Eck和Waltman,科学计量学84:523-538,2010年)。
In August 2011, Thomson Reuters launched version 5 of the Science and Social Science Citation Index in the Web of Science (WoS). Among other things, the 222 ISI Subject Categories (SCs) for these two databases in version 4 of WoS were renamed and extended to 225 WoS Categories (WCs). A new set of 151 Subject Areas was added, but at a higher level of aggregation. Perhaps confusingly, these Subject Areas are now abbreviated “SC” in the download, whereas “WC” is used for WoS Categories. Since we previously used the ISI SCs as the baseline for a global map in Pajek (Pajek is freely available at http://vlado.fmf.uni-lj.si/pub/networks/pajek/) (Rafols et al., Journal of the American Society for Information Science and Technology 61:1871–1887, 2010) and brought this facility online (at http://www.leydesdorff.net/overlaytoolkit), we recalibrated this map for the new WC categories using the Journal Citation Reports 2010. In the new installation, the base maps can also be made using VOSviewer (VOSviewer is freely available at http://www.VOSviewer.com/) (Van Eck and Waltman, Scientometrics 84:523–538, 2010).
DOI: 10.1002/asi.21509
发表时间: 2011-05-01
影响因子: --
作者:
Leydesdorff, Loet;Rafols, Ismael
通讯作者: Rafols, Ismael
DOI: 10.1007/s11192-008-2197-2
发表时间: 2009-12-01
期刊: SCIENTOMETRICS
影响因子: 3.9
作者:
Porter, Alan L.;Rafols, Ismael
通讯作者: Rafols, Ismael
DOI: 10.1007/s11051-009-9607-0
发表时间: 2009-07
影响因子: 2.5
作者:
Porter, Alan L.;Youtie, Jan
通讯作者: Youtie, Jan
DOI: 10.1007/s11192-011-0528-1
发表时间: 2012-02-01
期刊: SCIENTOMETRICS
影响因子: 3.9
作者:
Carley, Stephen;Porter, Alan L.
通讯作者: Porter, Alan L.
DOI: 10.1002/asi.20967
发表时间: 2009-02-01
影响因子: --
作者:
Leydesdorff, Loet;Rafols, Ismael
通讯作者: Rafols, Ismael