Bornmann, Lutz lutz.bornmann at GV.MPG.DE
Wed Jul 9 04:36:36 EDT 2014

Thank you for this hint, Isidro! We will change this in the paper. Lutz

From: ASIS&T Special Interest Group on Metrics [mailto:SIGMETRICS at LISTSERV.UTK.EDU] On Behalf Of Isidro F. Aguillo
Sent: Wednesday, July 09, 2014 9:41 AM
Subject: Re: [SIGMETRICS] paper

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Dear colleagues,

The list analyzed by this paper is very important as it is one of the key variables used in ARWU, the Shanghai Ranking. The authors point out to problems in the "secondary affiliations" of some of these HCR, but dismiss it as according to the preprint ARWU is  considering only primary affiliations. But after checking the published methodology in the ARWU website:

the following paragraph appears:

"The number of Highly Cited Researchers in 21 subject categories. These individuals are the most cited within each category. If a Highly Cited Researcher has two or more affiliations, he/she was asked to estimate his/her weights (or number of weeks) for each affiliation. More than 2/3 of those multi-affiliated Highly Cited Researchers provided such estimations and their affiliations receive the weights accordingly. For those who did not answer, their first affiliation is given a weight of 84% (average weight of the first affiliations for those who replied) and the rest affiliations share the remaining 16% equally".

On 09/07/2014 9:21, Bornmann, Lutz wrote:
Which of the world's institutions employ the most highly cited researchers? An evaluation of the data from
Lutz Bornmann<>, Johann Bauer<>

A few weeks ago, Thomson Reuters published a list of the highly cited researchers worldwide ( Since the data is freely available for downloading and includes the names of the researchers' institutions, we produced a ranking of the institutions on the basis of the number of highly cited researchers per institution.

Available at:


Dr. Dr. habil. Lutz Bornmann
Division for Science and Innovation Studies
Administrative Headquarters of the Max Planck Society
Hofgartenstr. 8
80539 Munich
Tel.: +49 89 2108 1265
Mobil: +49 170 9183667
Email: bornmann at<mailto:bornmann at>



Isidro F. Aguillo, HonDr.

The Cybermetrics Lab, IPP-CSIC

Grupo Scimago

Madrid. SPAIN

isidro.aguillo at<mailto:isidro.aguillo at>

ORCID: 0000-0001-8927-4873

ResearcherID: A-7280-2008

Scholar Citations: SaCSbeoAAAAJ

Twitter: @isidroaguillo

Rankings Web:



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