In “ISC world university rankings by subject” the OECD classification hierarchy has been used. The OECD classification is divided into two levels: six (6) MAJOR subjects and forty-two (42) minor subjects. The six (6) MAJOR subjects are:
In ISC WUR by subject, the targeted universities are those that are ranked among the top 700 ones in the world and in terms of the number of publications in that subject area, where for three successive years should have published at least 150 publications in each subject area and finally, indexed them in incite database. These universities which are ranked in 6 major subject areas and brought together with scores provided under their categories.
The ISC WUR by subject includes 4 major criteria of Education, Research, International Activity, and Innovation. Since its importance, the research criterion has got the most weight.
The research criterion entails five indices of research volume, times cited, category normalized citation impact, impact relative to world, and the number of articles which are published in Q1 journals.
The indices were applied in a 3-year time period analysis to rank universities as follows:
The education criterion is calculated by the number of highly cited faculty members which extracted from WoS highly cited researchers list.
International Activity entails three indices as below:
Innovation is calculated by the percent of Industry Collaborations in the 3-year time period.