First published: 1987 (International universities have been included since 2014)
Database used for data collection: Web of Science (Clarivate)
The ranking measures 13 indicators:
Reputation
- Global research reputation (reputation survey) – weight 12.5%
- Regional research reputation (reputation survey) – weight 12.5%
Research data (Clarivate Analytics Web of Science)
- Publications – weight 10%
- Books – weight 2.5%
- Conferences – weight 2.5%
- Normalized citation impact – weight 10%
- Total citations – weight 7.5%
- Number of publications that are among the 10 percent most cited – weight 12.5%
- Percentage of total publications that are among the 10 percent most cited – weight 10%
- International collaboration – weight 5%
- Percentage of total publications with international collaboration – weight 5%
- Number of highly cited papers that are among the top 1 percent most cited in their respective field – 5%
- Percentage of total number of publications that are among the top 1 percent most frequently cited papers – weight 5%
The rankings of subjects include:
- Clinical Medicine
- Computer Science
- Economics and Business
- Engineering
- Social Science and Public Health
