Ranking Web (Webometrics) of Universities

[Isidro F. Aguillo]

Dear Loet,

I will be very happy to discuss your suggestions and proposals next week at Montreal (and the rest of colleagues attending STI2012, of course)

Best regards,

Quoting Loet Leydesdorff:

> Adminstrative info for SIGMETRICS (for example unsubscribe):
> http://web.utk.edu/~gwhitney/sigmetrics.html
>
>> But asking for it is not enough, action is needed. For example 
>> consider the huge impact of the publication of Shanghai ranking 
>> (ARWU) in 2003. Probably we can agree that it is merely high school 
>> level bibliometrics, but this is not the important question. In my 
>> humble opinion the success of ARWU is probably a illustrating a 
>> collective failure of our discipline.
>
> Dear Isidro,
>
>
>
> We are making steps and reaching agreements in the field. For 
> example, since Ahlgren et al. (2003) one increasingly began to use 
> the cosine as a similarity measure. (Even I have given up on the 
> superior Kulback-Leibler divergence, and the cosine is implemented in 
> my software.) Similarly since a year or so, one can witness consensus 
> about the top-10% most-cited papers as an excellence indicator. 
> Granada and Leiden use it in the ranking; you use it, and Lutz and I 
> use it in the overlays to Google Maps. We recently had a special 
> issue of Scientometrics debating the impact factor as perhaps 
> obsolete. Etc.
>
>
>
> We also know much more about how to count and evaluate citation 
> distributions over publications. In my opinion, averaging is not such 
> a good idea, but adding citation numbers to publication numbers—as 
> you seem to advocate (?)—is perhaps even worse.
>
>
>
> In my opinion, one should mistrust any indicator for which no 
> uncertainty (error bar) can be specified.
>
>
>
> Best wishes,
>
> Loet
>
>

-- 
Isidro F. Aguillo, HonPhD
Cybermetrics Lab (3C1). CCHS - CSIC
Albasanz, 26-28. 28037 Madrid. Spain

isidro.aguillo @ cchs.csic.es
www. webometrics.info
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