ROAD resources covered by SNIP: http://road.issn.org/issn_search?afs:filter=referencing%3D"SNIP"
Name: SNIP (Source Normalized Impact per Paper)
Category of service: journal indicators
Owner: Centre for Science and Technology Studies, Leiden University (CWTS, Netherlands). CWTS indicators are based on the Scopus bibliographic database produced by Elsevier.
Other indicators calculated by CWTS: RIP (raw impact per publication); P (number of publications of a source in the past three years); % self cit (percentage of self citations of a source)
Coverage: international, multidisciplinary
Number of publications covered: around 20 000
Creation date: 2009 (revised in 2012)
Lists of CWTS indicators: http://www.journalmetrics.com/about-journal-metrics.php
- Some modifications to the SNIP journal impact indicator (Ludo Waltman, Nees Jan van Eck,Thed N. van Leeuwen, Martijn S. Visser, 2013)
Last update: September 2015