[Sigmetrics] Identification of long-term concept-symbols among citations

[Loet Leydesdorff]

Dear T V Gopal,

If the seminal work is referenced, it will appear in the analysis. The
authors provide references outside their domain, don't they?

But I agree that the focus has shifted to the dynamics of citations more
than the dynamics of science. Bringing the latter back in seems to me a
direction for further research.

My apologies for the delay in answering; something went wrong in my
mailbox.

Best,
Loet


On Tue, Jan 5, 2016 at 11:51 AM, T V Gopal <gopal at annauniv.edu> wrote:

> Dear Prof. Loet Leydesdorff,
>
> Thank you for an interesting paper.
>
> At times, the seminal work may be in a seemingly unrelated domain. How is
> it reflected / factored in your paper ?
>
> Gopal T V
> 0 9840121302
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> Dr. T V Gopal
> Professor
> Department of Computer Science and Engineering
> College of Engineering
> Anna University
> Chennai - 600 025, INDIA
> Ph : (Off) 22351723 Extn. 3340
>       (Res) 24454753
> Home Page : http://www.annauniv.edu/staff/gopal
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>
> On Tue, January 5, 2016 11:37 am, Loet Leydesdorff wrote:
>
> Identification of long-term concept-symbols among citations:
> <http://arxiv.org/abs/1601.00288>
> Can documents be clustered in terms of common intellectual histories?
>
>
> Jordan A. Comins and Loet Leydesdorff
>
>
>
> "Citation classics" are not only highly cited, but also cited during
> several
> decades. We test whether the peaks in the spectrograms generated by
> Reference Publication Years Spectroscopy (RPYS) indicate such long-term
> impact by comparing across RPYS for subsequent time intervals. Multi-RPYS
> enables us to distinguish between short-term citation peaks at the
> research
> front that decay within ten years versus historically constitutive
> (long-term) citations that function as concept symbols (Small, 1978).
> Using
> these constitutive citations, one is able to cluster document sets (e.g.,
> journals) in terms of intellectually shared histories. We test this
> premise
> by clustering 40 journals in the Web of Science Category of Information
> and
> Library Science using multi-RPYS. It follows that RPYS can not only be
> used
> for retrieving roots of sets under study (cited), but also for algorithmic
> historiography of the citing sets. Significant references are historically
> rooted symbols among other citations that function as currency.
>
>
>
> Preprint available at http://arxiv.org/abs/1601.00288
>
> * Apologies for cross-postings
>
>
>
>   _____
>
> Loet Leydesdorff
>
> Professor, 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
> Sussex;
>
> Guest Professor  <http://www.zju.edu.cn/english/> Zhejiang Univ.,
> Hangzhou;
> Visiting Professor,  <http://www.istic.ac.cn/Eng/brief_en.html> ISTIC,
> Beijing;
>
> Visiting Professor,  <http://www.bbk.ac.uk/> Birkbeck, University of
> London;
>
>
>  <http://scholar.google.com/citations?user=ych9gNYAAAAJ&hl=en>
> http://scholar.google.com/citations?user=ych9gNYAAAAJ&hl=en
>
>
>
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-- 
------------------------------

Loet Leydesdorff

Professor, University of Amsterdam
Amsterdam School of Communications Research (ASCoR)
Kloveniersburgwal 48, 1012 CX Amsterdam.
Tel. +31-20-525 6598; fax: +31-842239111

loet at leydesdorff.net ; http://www.leydesdorff.net/
Visiting Professor, ISTIC, <http://www.istic.ac.cn/Eng/brief_en.html>Beijing;
Honorary Professor, SPRU, <http://www.sussex.ac.uk/spru/>University of
Sussex; http://scholar.google.com/citations?user=ych9gNYAAAAJ&hl=en
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