[GOAL] Re: Update on Ulrichs estimate of total number of active peer-reviewed journals: 55, 311

[P Burnhill]

The key to this is the ISSN-L which is a linking field in each ISSN record 
that provides the equivalent of a family name for the print, electronic 
and other formats of a serial.

Over the past 5 or more years the ISSN Network has worked hard to increase 
the assignment of ISSNs for serials (journals, magazines etc) that are in 
electronic format: from


On Fri, 3 Aug 2012, Heather Morrison wrote:

> The difference in the numbers is a matter of deduplicating different 
> formats, that is, the 55,311 includes separate records for print and 
> electronic journals.
>
> In December 2011 I ran an Ulrich's search, did some deduplication, and 
> came up with a total of 26,746 active, academic / scholarly peer 
> reviewed journals. This should be considered an estimate rather than an 
> exact figure, because my deduplication method is not perfect.
>
> My method and calculations are explained in this brief appendix to my 
> draft thesis: 
> http://pages.cmns.sfu.ca/heather-morrison/appendix-c-how-many-active-scholarly-peer-reviewed-journals/
>
> In previous years, I was able to do an Ulrich's search and come up with 
> this number without the deduplication exercise. It's too bad this 
> function doesn't seem to be there any more.
>
> best,
>
> Heather Morrison, MLIS
> Doctoral Candidate, Simon Fraser University School of Communication
> http://pages.cmns.sfu.ca/heather-morrison/
> The Imaginary Journal of Poetic Economics
> http://poeticeconomics.blogspot.com
>
>
> On 2012-08-03, at 2:51 PM, Stevan Harnad wrote:
>
>>
>> On 2012-08-03, at 4:53 PM, Sally Morris wrote:
>>
>>> I find this figure very surprising.  What appears to be the same search,
>>> carried out this past March, came up with a (to me) much more credible
>>> figure of 27,566.
>>
>> I found it surprising too. That's why I'm asking others who have
>> access to Ulrichs to repeat the search and let us know.
>>
>> Stevan
>>
>>> Sally Morris
>>> South House, The Street, Clapham, Worthing, West Sussex, UK  BN13 3UU
>>> Tel:  +44 (0)1903 871286
>>> Email:  sally at morris-assocs.demon.co.uk
>>>
>>>
>>> From: goal-bounces at eprints.org [mailto:goal-bounces at eprints.org] On Behalf Of Stevan Harnad
>>> Sent: 03 August 2012 20:08
>>> To: Global Open Access List (Successor of AmSci)
>>> Cc: LibLicense-L Discussion Forum
>>> Subject: [GOAL] Update on Ulrichs estimate of total number of active peer-reviewed journals: 55, 311
>>>
>>> For years now, I've just been re-using an old Ulrich's estimate of about 25,000 for the total number of active peer-reviewed journals.
>>>
>>> Prompted by a recent query from someone, I've checked again, and -- unless I've made a mistake in my search -- the number now seems to have doubled to 55,311.
>>>
>>> The parameters I used to get this figure were (1) Active, (2) Journal, (3) Academic/Scholarly, (4) Refereed/Peer-reviewed,
>>>
>>> A further breakdown shows that of these 55,311 active peer reviewed journals,
>>>
>>> 23,527 (43%) are available online
>>>
>>> 9,354 (17%) are indexed in Thomson-Reuters-ISI's Journal Citation reports
>>>
>>> 6,962 (13%) are open access journals (freely available online) (Gold OA, presumably not including Hybrid Gold).
>>>
>>> 769 (11%) of the 9,354 Thomson-Reuters-ISI-indexed journals are open access journals
>>>
>>> --
>>>
>>> According to the last estimate of journals indexed by SHERPA/ROMEO (which does not include all the journals indexed by Ulrichs, but does include most of the top journals indexed by Thomson-Reuters-ISI):
>>>
>>> 60% of journals recognize the author's right to provide immediate, un-embargoed open access upon self-archiving their final drafts in their institutional repositories.
>>>
>>> --
>>>
>>> It would be helpful if others could check and confirm these figures.
>>>
>>> Stevan Harnad
>>> _______________________________________________
>>> GOAL mailing list
>>> GOAL at eprints.org
>>> http://mailman.ecs.soton.ac.uk/mailman/listinfo/goal
>>
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>
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>
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