Tori index

The tori index
(total research impact) is a bibliometric index which measures the performances of individual researchers and scholars attempting to reduce the impact of self-citations.
The tori index is freely released by the NASA ADS database for any searchable scientist in it. It is calculated using the reference lists of the citing papers, where self-citations are removed. The contribution of each citing paper is then normalized by the number of remaining references in the citing papers and the number of authors in the cited paper. In other words, the tori index doesn't count citations including one of the original authors. Moreover, the tori index of an author decreases as the researchers citing her/him uses more references (citations of other research papers) in their article. Thus, the tori index accounts for different citation practices in different fields, enabling more accurate cross-field comparisons.
A derived index, the riq index<ref name="tori 2012"/> (research impact quotient), measures an individual's research ability independently of her/his age.
Also the riq index has been implemented by the NASA ADS database.
 
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