World Ranking Indicators

URAP 2014-2015 World Ranking is based on 6 academic performance indicators. Since URAP is an academic performance based ranking, publications constitute the basis of the ranking methodology. Both quality and quantity of publications and international research collaboration performance are used as indicators. The indicators, the data sources, and the duration of coverage are summarized in the table below.

Indicator Objective Coverage Source
Article Current Scientific Productivity 2013 InCites
Citation Research Impact 2011-2013 InCites
Total Document Scientific Productivity 2011-2013 Web of Science
Article Impact Total Research Quality 2011-2013 InCites
Citation Impact Total Research Quality 2011-2013 InCites
International Collaboration International Acceptance 2011-2013 InCites

A detailed description of each indicator is provided below:

Article: is a measure of current scientific productivity which includes articles published in 2013 and indexed by Web of Science and listed by Incites. Article number covers articles, reviews and notes. The weight of this indicator on the overall ranking is %21.

Citation: is a measure of research impact and scored according to the total number of citations received in 2011-2013 for the articles published in 2011-2013 and indexed by Web of Science. The effect of citation on the overall ranking is %21.

Total Document : :is the measure of sustainability and continuity of scientific productivity and presented by the total document count which covers all scholarly literature including conference papers, reviews, letters, discussions, scripts in addition to journal articles published during 2011-2013 period. The weight of this indicator is %10.

Article Impact Total (AIT): is a measure of scientific productivity corrected by the institution's normalized CPP(1) with respect to the world CPP in 23 subject areas between 2011 and 2013. The ratio of the institution's CPP and the world CPP indicates whether the institution is performing above or below the world average in that field. This ratio is multiplied by the number of publications in that field and then summed across the 23 fields. which is summarized in the following formula:

This indicator aims to balance the institution's scientific productivity with the field normalized impact generated by those publications in each field. The weight of this indicator is %18.

Citation Impact Total (CIT): is a measure of research impact corrected by the institution's normalized CPP with respect to the world CPP in 23 subject areas between 2011 and 2013. The ratio of the institution's CPP and the world CPP indicates whether the institution is performing above or below the world average in that field. This ratio is multiplied by the number of citations in that field and then summed across the 23 fields. This indicator aims to balance the institution's scientific impact with the field normalized impact generated by the publications in each field, , which is summarized in the following formula:

The contribution of this indicator to the overall ranking is %15.

International Collaboration: is a measure of global acceptance of a university. International collaboration data, which is based on the total number of publications made in collaboration with foreign universities, is obtained from InCites for the years 2011-2013. The weight of this indicator is %15 in the overall ranking. For the 2014 URAP World Ranking, bibliometric data is obtained through Thomson Reuters' InCites research analytics service(2) , which provides an interface to the Web of Science database. The 23 subject areas used in the ranking are based on the discipline classification matrix developed by the Australian Research Council for journals indexed in Web of Science(3)


(1)CPP stands for citation per publication
(2)http://researchanalytics.thomsonreuters.com/incites (3)http://www.arc.gov.au/pdf/ERA15/ERA%202015%20Discipline%20Matrix.pdf

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