caa a22 4500 445349328 CHVBK 20180317142839.0 cr unu---uuuuu 170323e20110101xx s 000 0 eng 10.1007/s11192-010-0205-9 doi (NATIONALLICENCE)springer-10.1007/s11192-010-0205-9 On the map: Nature and Science editorials [Elektronische Daten] [Cathelijn Waaijer, Cornelis van Bochove, Nees van Eck] Bibliometric mapping of scientific articles based on keywords and technical terms in abstracts is now frequently used to chart scientific fields. In contrast, no significant mapping has been applied to the full texts of non-specialist documents. Editorials in Nature and Science are such non-specialist documents, reflecting the views of the two most read scientific journals on science, technology and policy issues. We use the VOSviewer mapping software to chart the topics of these editorials. A term map and a document map are constructed and clusters are distinguished in both of them. The validity of the document clustering is verified by a manual analysis of a sample of the editorials. This analysis confirms the homogeneity of the clusters obtained by mapping and augments the latter with further detail. As a result, the analysis provides reliable information on the distribution of the editorials over topics, and on differences between the journals. The most striking difference is that Nature devotes more attention to internal science policy issues and Science more to the political influence of scientists. The Author(s), 2010 Bibliometrics nationallicence Classification nationallicence Editorials nationallicence Full-text nationallicence Mapping nationallicence VOSviewer nationallicence Waaijer Cathelijn Centre for Science and Technology Studies, Leiden University, Leiden, The Netherlands aut van Bochove Cornelis Centre for Science and Technology Studies, Leiden University, Leiden, The Netherlands aut van Eck Nees Centre for Science and Technology Studies, Leiden University, Leiden, The Netherlands aut Scientometrics Springer Netherlands 86/1(2011-01-01), 99-112 0138-9130 86:1<99 2011 86 11192 https://doi.org/10.1007/s11192-010-0205-9 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11192-010-0205-9 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Waaijer Cathelijn Centre for Science and Technology Studies, Leiden University, Leiden, The Netherlands aut NATIONALLICENCE 700 1- van Bochove Cornelis Centre for Science and Technology Studies, Leiden University, Leiden, The Netherlands aut NATIONALLICENCE 700 1- van Eck Nees Centre for Science and Technology Studies, Leiden University, Leiden, The Netherlands aut NATIONALLICENCE 773 0- Scientometrics Springer Netherlands 86/1(2011-01-01), 99-112 0138-9130 86:1<99 2011 86 11192 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer