Collaboration network puzzle

[Saeed Ul Hassan]

Dear Dr. Gohar Khan,

It could be due to author's name ambiguity issue. As there could be
different name variations in different clusters. I guess you have taken
care of it already?


Best Regards,


*Dr. Saeed Ul Hassan (Ph.D.)*Director ITU Scientometrics Lab
HEC Approved Supervisor | Assistant Professor
Information Technology University - Punjab
6th Floor, Arfa Software Technology Park,346-B, Ferozepur Road, Lahore
Phone: +92-42-35880062 ext: 6023 | Cell: +92-322-2289756
URL: http://itu.edu.pk/faculty-itu/dr-saeed-ul-hassan/

On Fri, May 22, 2015 at 2:20 PM, Loet Leydesdorff <loet at leydesdorff.net>
wrote:

> Adminstrative info for SIGMETRICS (for example unsubscribe):
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>
> Dear Gohar Feroz,
>
>
>
> We don’t know the subject, but if you have such a large cluster of 326
> institutions, the network may be very globalized.
>
> Individuals can then team up within this internationalized and networked
> domain?
>
>
>
> Just a hypothesis.
>
>
>
> Best,
>
> Loet
>
>
> ------------------------------
>
> Loet Leydesdorff
>
> *Emeritus* University of Amsterdam
> Amsterdam School of Communication Research (ASCoR)
>
> loet at leydesdorff.net ; http://www.leydesdorff.net/
> Honorary Professor, SPRU, <http://www.sussex.ac.uk/spru/>University of
> Sussex;
>
> Guest Professor Zhejiang Univ. <http://www.zju.edu.cn/english/>,
> Hangzhou; Visiting Professor, ISTIC,
> <http://www.istic.ac.cn/Eng/brief_en.html>Beijing;
>
> Visiting Professor, Birkbeck <http://www.bbk.ac.uk/>, University of
> London;
>
> http://scholar.google.com/citations?user=ych9gNYAAAAJ&hl=en
>
>
>
> *From:* ASIS&T Special Interest Group on Metrics [mailto:
> SIGMETRICS at LISTSERV.UTK.EDU] *On Behalf Of *Gohar F. Khan
> *Sent:* Friday, May 22, 2015 8:58 AM
> *To:* SIGMETRICS at LISTSERV.UTK.EDU
> *Subject:* [SIGMETRICS] Collaboration network puzzle
>
>
>
> Adminstrative info for SIGMETRICS (for example unsubscribe):
> http://web.utk.edu/~gwhitney/sigmetrics.html
>
> Dear Colleagues:
>
>
>
> Please help me solve the following puzzle.
>
>
>
> Using the Web of Science publication data, I have constructed two
> networks, 1) author level collaboration network, and 2) institutional level
> collaboration networks. The publications are in a particular research
> field.
>
>
>
> The problem is that the author network is composed of several small
> disconnected clusters with largest component consisting of only 43 nodes or
> authors. However, the institutional level collaboration network is well
> connected with 326 institutions in a single component.
>
>
>
> I just wonder what could explain these differences? Normally, when I
> construct such networks, the institutional network is sparse as compared to
> the authors network, as all the publications (or nodes) from a particular
> institute are merged into a single node when creating an institutional
> level collaboration network. But, here it is the opposite.
>
>
>
> What could cause this to happen? Any ideas?
>
>
>
>
>
> Regards,
>
>
>
> --
>
> Gohar Feroz Khan, PhD
> Assistant Professor
> Korea University of Technology & Education (KoreaTECH)
> ---------------------------------------------------------------------
>
> Stay tuned for my new book on 7 Layers of s
> <http://7layersanalytics.com/introduction-to-the-book/>ocial
> media analytics to be available soon...
> <http://7layersanalytics.com/introduction-to-the-book/>.
>
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