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[BOAI] New article on delayed open access

From: David Solomon <dsolomon AT msu.edu>
Date: Wed, 5 Jun 2013 06:30:38 +0300


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*Sorry for cross postings. The accepted version of following article has
recently become available:*


Delayed Open Access =96 an overlooked high-impact category of openly
available scientific literature

Mikael Laakso, Bo-Christer Bj=F6rk

Abstract: Delayed open access (OA) refers to scholarly articles in
subscription journals made available openly on the web directly through the
publisher at the expiry of a set embargo period. Though a substantial
number of journals have practiced delayed OA since they started publishing
e-versions, empirical studies concerning open access have often overlooked
this body of literature. This study provides comprehensive quantitative
measurements by identifying delayed OA journals, collecting data concerning
their
publication volumes, embargo lengths, and citation rates. Altogether 492
journals were identified, publishing a combined total of 111 312 articles
in 2011. 77,8 % of these articles were made open access within 12 months
from publication, with 85,4 %
becoming available within 24 months. A journal impact factor analysis
revealed that delayed OA journals have on average twice as high average
citation rates compared to closed subscription journals, and three times as
high as immediate OA journals. Overall the results demonstrate that delayed
OA journals constitute an important segment of the openly available
scholarly journal literature, both by their sheer article

This is a preprint of an article accepted for publication in Journal of the
American Society for Information Science and Technology. Copyright =A9 2012
(American Society for Information Science and Technology)

*You can download it from our portal for research on open access publishing=
:
*
*
*
*http://www.openaccesspublishing.org/*<http://www.openaccesspublishing.org/=
>

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<div dir=3D"ltr"><div style><b>Sorry for cross 
postings. The accepted versi=
on of following article has recently become 
available:</b></div><div><br></=
div><div><br></div><div>Delayed Open Access =96 an 
overlooked high-impact c=
ategory of openly available scientific literature</div>
<div><br></div><div>Mikael Laakso, Bo-Christer 
Bj=F6rk</div><div><br></div>=
<div>Abstract: Delayed open access (OA) refers to scholarly articles in 
sub=
scription journals made available openly on the web directly through the pu=
blisher at the expiry of a set embargo period. Though a substantial number =
of journals have practiced delayed OA since they started publishing e-versi=
ons, empirical studies concerning open access have often overlooked this bo=
dy of literature. This study provides comprehensive quantitative measuremen=
ts by identifying delayed OA journals, collecting data concerning their</di=
v>
<div>publication volumes, embargo lengths, and citation rates. Altogether 
4=
92 journals were identified, publishing a combined total of 111 312 article=
s in 2011. 77,8 % of these articles were made open access within 12 months =
from publication, with 85,4 %</div>
<div>becoming available within 24 months. A journal impact factor 
analysis =
revealed that delayed OA journals have on average twice as high average cit=
ation rates compared to closed subscription journals, and three times as hi=
gh as immediate OA journals. Overall the results demonstrate that delayed O=
A journals constitute an important segment of the openly available scholarl=
y journal literature, both by their sheer article</div>
<div><br></div><div>This is a preprint of an article 
accepted for publicati=
on in Journal of the American Society for Information Science and Technolog=
y. Copyright =A9 2012 (American Society for Information Science and Technol=
ogy)</div>
<div><br></div><div style><b>You can download it 
from our portal for resear=
ch on open access publishing:</b></div><div 
style><b><br></b></div><div sty=
le><a 
href=3D"http://www.openaccesspublishing.org/"><b>http://www.openacces=
spublishing.org/</b></a><br>
</div><div><br></div><br><div></div>

</div>

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