The National Science Foundation releases the Science and Engineering Indicators 2018

Published on January 19 2018

The Science and Engineering Indicators (SEI) 2018 have just been released by the U.S. National Science Foundation (NSF). The SEI are released every two years and provide high-quality quantitative data on the U.S. and international science and engineering enterprise. These statistics aid in the understanding of the current context of the science and engineering fields and objectively inform the development of future policies. The SEI reports are prepared by the NSF’s National Center for Science and Engineering Statistics, under the guidance of the National Science Board.

Science-Metrix is proud to have contributed bibliometric and patent data for inclusion in SEI 2018, under a subcontract commissioned by SRI International on behalf of the NSF. Science-Metrix also produced a suite of statistics and tables for SEI 2016. For SEI 2018, Science-Metrix provided analytical support and data tables for Chapter 5 “Academic Research and Development,” Chapter 6 “Industry, Technology, and the Global Marketplace” and for Chapter 8, a newly added chapter titled “Invention, Knowledge Transfer, and Innovation.” Science-Metrix also developed new measures and indicators on gender and open access, which are summarized in sidebars within the report. All data were prepared using the Scopus bibliometric database from Elsevier, the 1science bibliometric database of open access publications, and USPTO patent data accessed via PatentsView.

Science-Metrix has also produced three reports as methodological support material for the calculation of the bibliometric and patent data for SEI 2018. Development of bibliometric indicators to measure women’s contribution to scientific publications outlines an approach for measuring women’s authorship in scientific publication and other indicators of women’s participation in science. Open access availability of scientific publications details population-level measurements of the open access (OA) availability of publications indexed in Scopus and in the Web of Science by Clarivate Analytics. These measurements were achieved by matching the bibliometric database populations to the 1science database to determine the availability of the papers in OA form. A third report, Bibliometrics and patent indicators for the Science and Engineering Indicators 2018: Technical documentation, details the various steps taken to implement the databases, clean and standardize the data, and produce statistics.

Access the Science and Engineering Indicators 2018 here.


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