Comparison of SCImago journal rank indicator with journal impact factor

Thu Apr 24 03:30:36 EDT 2008

Great that you made VxOrd also available! 
Many thanks, Loet

> -----Original Message-----
> From: ASIS&T Special Interest Group on Metrics 
> [mailto:SIGMETRICS at LISTSERV.UTK.EDU] On Behalf Of Kevin Boyack
> Sent: Wednesday, April 23, 2008 9:55 PM
> To: SIGMETRICS at LISTSERV.UTK.EDU
> Subject: Re: [SIGMETRICS] Comparison of SCImago journal rank 
> indicator with journal impact factor
> 
> Adminstrative info for SIGMETRICS (for example unsubscribe):
> http://web.utk.edu/~gwhitney/sigmetrics.html
> 
> Dear Loet,
> 
> Page-rank and many other algorithms are available in Indiana's (free)
> Network Workbench (http://nwb.slis.indiana.edu/). DrL (a 
> version of Sandia's
> VxOrd) has also been implemented in NWB.
> 
> Best wishes,
> Kevin
> 
> 
> -----Original Message-----
> From: ASIS&T Special Interest Group on Metrics
> [mailto:SIGMETRICS at listserv.utk.edu] On Behalf Of Loet Leydesdorff
> Sent: Wednesday, April 23, 2008 1:07 PM
> To: SIGMETRICS at listserv.utk.edu
> Subject: Re: [SIGMETRICS] Comparison of SCImago journal rank 
> indicator with
> journal impact factor
> 
> Adminstrative info for SIGMETRICS (for example unsubscribe):
> http://web.utk.edu/~gwhitney/sigmetrics.html
> 
> Dear Johan, 
> 
> I know your paper. 
> Can you perhaps provide me with the full list of the 
> pageranks for 2006 or
> make it available on the Internet? Scimago does a very nice 
> job in bringing
> their data online as an excel file.
> 
> We could perhaps combine forces? I would expect the 
> page-ranking algorithm
> to end-up more in the middle like the h-index because it pays 
> attention to
> citations/publications, but it also might be sensitive to 
> size-effects. You
> may be able to specify a more precise expectation.
> 
> Is the page-rank algorithm available in one of the 
> (non-commercial) programs
> of social network analysis?
> 
> 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: ASIS&T Special Interest Group on Metrics 
> > [mailto:SIGMETRICS at LISTSERV.UTK.EDU] On Behalf Of Johan Bollen
> > Sent: Tuesday, April 22, 2008 5:42 PM
> > To: SIGMETRICS at LISTSERV.UTK.EDU
> > Subject: Re: [SIGMETRICS] Comparison of SCImago journal rank 
> > indicator with journal impact factor
> > 
> > Adminstrative info for SIGMETRICS (for example unsubscribe):
> > http://web.utk.edu/~gwhitney/sigmetrics.html
> > 
> > Dear Loet, Ricardo,
> > 
> > you may be interested in:
> > 
> > Johan  Bollen, Marko A. Rodriguez, and Herbert Van de Sompel. 
> > Journal  
> > status. Scientometrics, 69(3), December 2006 (arxiv.org:cs.DL/ 
> > 0601030, DOI: 10.1007/s11192-006-0176-z).
> > 
> > We found rho=0.48, p<0.01, N=5,710 between the 2003 IF and 
> weighted  
> > PageRank rankings, i.e. a moderate but significant correlation.  
> > However, the list of top ranked journals (Table 1) did differ  
> > significantly and you would have probably found an insignificant  
> > correlation on that basis.
> > 
> > Regards,
> > 
> > Johan.
> > 
> > On Apr 22, 2008, at 7:36 AM, Lic. Ricardo Arencibia Jorge wrote:
> > > Adminstrative info for SIGMETRICS (for example 
> > unsubscribe): http:// 
> > > web.utk.edu/~gwhitney/sigmetrics.html
> > > Dear Loet,
> > >
> > > yes, its very interesting, because the influence weight 
> change the  
> > > point of view (I remember now the work of Pinsky & Narin 
> > (1976), or  
> > > recent projects like "eigenfactor.org", etc. In this sense, the  
> > > SCImago Journal and Country Rank will exceed the 
> expectations. The  
> > > aim of this project is ambitious, and the probability of this  
> > > project to achieve great results in the field of science  
> > > assessments is high.
> > >
> > > I think the correlation IF - SJR  will be significant if we take  
> > > into acount all the journals comprised in the SCImago 
> Journal Rank  
> > > (We had been developing some experimental studies in specific  
> > > fields, and the correlation is alwais significant, for the  
> > > moment ;-). Thats the reason because Dr. Falagas did not 
> emphasize  
> > > that point in our article.
> > >
> > > However, the analysis of the first 20 journals (as you 
> > noted) is an  
> > > incentive in order to develop more deep studies of the 
> indicators  
> > > presented by the SCImago Research Group.
> > >
> > > Friendly Regards,
> > >
> > > Ricardo
> > > ----- Original Message -----
> > > From: Loet Leydesdorff
> > > To: SIGMETRICS at LISTSERV.UTK.EDU
> > > Sent: Monday, April 21, 2008 11:52 AM
> > > Subject: Re: [SIGMETRICS] Comparison of SCImago journal rank  
> > > indicator with journal impact factor
> > >
> > > Adminstrative info for SIGMETRICS (for example 
> > unsubscribe): http:// 
> > > web.utk.edu/~gwhitney/sigmetrics.html
> > > Dear Ricardo,
> > >
> > > I could not resist looking at your table 2 to compute the rank- 
> > > order correlations between the IF and the SJR.
> > >
> > > For the top 20 in the SCI, the correlations are as follows:
> > >
> > > <000c01c8a47d$ec51f300$fd03240a>
> > > For the top 20 on the SJR, the correlations are as follows:
> > >
> > > <000d01c8a47d$ec51f300$fd03240a>
> > > The correlations are not significant.
> > > Interesting, isn't it?
> > >
> > > 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/
> > >
> > >
> > > From: ASIS&T Special Interest Group on Metrics  
> > > [mailto:SIGMETRICS at listserv.utk.edu] On Behalf Of Lic. Ricardo  
> > > Arencibia Jorge
> > > Sent: Saturday, April 19, 2008 8:53 PM
> > > To: SIGMETRICS at listserv.utk.edu
> > > Subject: [SIGMETRICS] Comparison of SCImago journal rank 
> indicator  
> > > with journal impact factor
> > >
> > > Adminstrative info for SIGMETRICS (for example 
> > unsubscribe): http:// 
> > > web.utk.edu/~gwhitney/sigmetrics.html
> > > Dear Colleagues,
> > >
> > > I am sending the link of a paper developed by Matthew E. Falagas  
> > > and his team from the Alpha Institute of Biomedical Sciences  
> > > (Athens, Greece), and with the collaboration of Henry Dunant  
> > > Hospital (Athens, Greece) and the Network of Scientometrics 
> > Studies  
> > > for Higher Education (Havana, Cuba). Its a brief comparison of  
> > > Journal Citation Report and SCImago Journal & Country Rank, and  
> > > between the most important indicators both presented: the Impact  
> > > Factor and the SCImago Journal Rank. These results are only the  
> > > beginning of several works that I am sure will be 
> developed in the  
> > > near future in order to statistically compare both indicators.
> > >
> > > Falagas ME, Kouranos VD, Arencibia R, Karageorgopoulos DE.  
> > > Comparison of SCImago journal rank indicator with journal impact  
> > > factor. FASEB Journal 2008, Apr 11. http://www.fasebj.org/cgi/ 
> > > content/abstract/fj.08-107938v1
> > >
> > > Best regards,
> > >
> > > BSc. Ricardo Arencibia-Jorge
> > > Network of Scientometric Studies for Higher Education
> > > National Scientific Research Center, Havana, Cuba.
> > > ricardo.arencibia at cnic.edu.cu
> > > http://directorioexit.info/consulta.php? 
> > > directorio=exit&campo=ID&texto=478
> > > http://redec-mes.blogspot.com/
> > 
> 