[Sigmetrics] Large Networks among Institutional Addresses; fractional counting

Loet Leydesdorff loet at leydesdorff.net
Sat Oct 24 03:59:13 EDT 2015

Large Networks among Institutional Addresses: InstPlus.EXE

This website provides a routine to generate a large network of institutional
addresses based on co-authorship relations in a set of papers downloaded
from the Web-of-Science (v5). The input is not limited to a number of
institutions. The output is written as a file "mtrx.net" in the Pajek format
(edgelist). A further routine generates a second matrix "fmtrx.net"
containing the same information as "mtrx.net", but fractionally counted.

Fractional Counting of Authors and Addresses: Fraction.EXE


This website provides a routine to compute fractional values for the numbers
of publications and citations in a set of papers downloaded from the
Web-of-Science (v5). First, this set can be organized into a relational
database using ISI.exe <http://www.leydesdorff.net/software/isi> . The
resulting files can be used by fraction.exe as input. This program will add
au2.dbf and cs2.dbf to the dbf-files generated by isi.exe with fractional
counts of numbers of publications and citations. (See for integer counting
instcoll.exe <http://www.leydesdorff.net/software/instcoll/instcoll.exe> .)

 ** apologies for cross-postings


Loet Leydesdorff 

Professor Emeritus, University of Amsterdam
Amsterdam School of Communication Research (ASCoR)

 <mailto:loet at leydesdorff.net> loet at leydesdorff.net ;
<http://www.leydesdorff.net/> http://www.leydesdorff.net/ 
Honorary Professor,  <http://www.sussex.ac.uk/spru/> SPRU, University of

Guest Professor  <http://www.zju.edu.cn/english/> Zhejiang Univ., Hangzhou;
Visiting Professor,  <http://www.istic.ac.cn/Eng/brief_en.html> ISTIC,

Visiting Professor,  <http://www.bbk.ac.uk/> Birkbeck, University of London;



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