networks among cities on the basis of the Science Citation Index

[Loet Leydesdorff]

Dear Chaomei, 

That is great! I had not realized this. I'll use it and place a link on my
site with this information. 

Best wishes, 


Loet

________________________________

Loet Leydesdorff 
Amsterdam School of Communications Research (ASCoR), 
Kloveniersburgwal 48, 1012 CX Amsterdam. 
Tel.: +31-20- 525 6598; fax: +31-20- 525 3681 
loet at leydesdorff.net ; http://www.leydesdorff.net/ 

 

> -----Original Message-----
> From: Chen,Chaomei [mailto:cc345 at drexel.edu] 
> Sent: Monday, November 09, 2009 2:34 PM
> To: loet at leydesdorff.net; SIGMETRICS at LISTSERV.UTK.EDU
> Subject: RE: [SIGMETRICS] networks among cities on the basis 
> of the Science Citation Index
> 
> Dear Loet,
> 
> That's a nice addition. 
> Just to mention that CiteSpace has a function under the 
> Geospatial Maps menu, which
>  generates geospatial maps in KML format based on city names 
> from authors' affiliations.
> Users may opt to include coauthor links between cities.
> These files are viewable in Google Earth.
> 
> Here are some examples of its use:
> 
> Chen, C., Zhu, W., Tomaszewski, B., MacEachren, A. (2007) 
> Tracing conceptual and geospatial diffusion of knowledge. HCI 
> International 2007. Beijing, China. July 22-27, 2007. LNCS, 
> 4564. pp. 265-274. 
> http://cluster.cis.drexel.edu/~cchen/papers/confs/jcdl2007.pdf
> 
> Chen, C., Song, I.Y., Yuan, X., Zhang, J. (2008) The thematic 
> and citation landscape of Data and Knowledge Engineering 
> (1985-2007). Data and Knowledge Engineering, 67(2), 234-259. 
> http://cluster.cis.drexel.edu/~cchen/papers/2008/dke2008.pdf
> 
> CiteSpace is available at:
> http://cluster.cis.drexel.edu/~cchen/citespace
> 
> Best wishes,
> Chaomei 
> 
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Chaomei Chen, Ph.D. Associate Professor
> College of Information Science and Technology, Drexel University
> Editor in Chief, Information Visualization
> ChangJiang Scholar Visiting Professor, Dalian University of Technology
> Homepage: http://www.pages.drexel.edu/~cc345
> IVS: http://www.palgrave-journals.com/ivs/index.html
> CiteSpace: http://cluster.cis.drexel.edu/~cchen/citespace
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> ________________________________________
> From: ASIS&T Special Interest Group on Metrics 
> [SIGMETRICS at LISTSERV.UTK.EDU] On Behalf Of Loet Leydesdorff 
> [loet at leydesdorff.net]
> Sent: Monday, November 09, 2009 3:45 AM
> To: SIGMETRICS at LISTSERV.UTK.EDU
> Subject: [SIGMETRICS] networks among cities on the basis of 
> the Science Citation Index
> 
> Adminstrative info for SIGMETRICS (for example unsubscribe):
> http://web.utk.edu/~gwhitney/sigmetrics.html
> 
> Dear colleagues,
> 
> In the series of programs available from
> http://www.leydesdorff.net/indicators for analyzing data from 
> the major
> Science & Technology databases in terms of networks of 
> communication, I
> added one which enables the user to extract city names in the 
> address field
> as a separate networks. This program may prove useful, for 
> example, in the
> regional geography of science.
> 
> Currently, the program was tested for city names and 
> postcodes in the US,
> Western Europe (including the UK and some Commonwealth 
> nations), China and
> Japan. I expect problems in other parts of the world. Please, 
> provide me
> with feedback if such is the case. (Preferentially send me 
> the download
> records that cause the problems.) The program is available at
> http://www.leydesdorff.net/software/CityColl/index.htm .
> 
> Let me take the opportunity to mention also the availability 
> of Pajek input
> files for mapping the citation environments of the 1,157 
> journals included
> in the Arts & Humanities Citation Index 2008, at
> http://www.leydesdorff.net/ah08/index.htm . These journals 
> can be studied in
> terms of both their cited and citing patterns using these 
> files. The data
> contains cosine-normalized matrices of the k = 1 environments of these
> journals (without thresholds).
> 
> With best wishes,
> 
> 
> Loet Leydesdorff
> 
> ________________________________
> 
> Loet Leydesdorff
> 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/
>