<s>
CORE	O
(	O
Connecting	B-Algorithm
Repositories	I-Algorithm
)	O
is	O
a	O
service	O
provided	O
by	O
the	O
based	O
at	O
The	O
Open	O
University	O
,	O
United	O
Kingdom	O
.	O
</s>
<s>
The	O
goal	O
of	O
the	O
project	O
is	O
to	O
aggregate	O
all	O
open	O
access	O
content	O
distributed	O
across	O
different	O
systems	O
,	O
such	O
as	O
repositories	O
and	O
open	O
access	O
journals	O
,	O
enrich	O
this	O
content	O
using	O
text	B-Algorithm
mining	I-Algorithm
and	O
data	B-Application
mining	I-Application
,	O
and	O
provide	O
free	O
access	O
to	O
it	O
through	O
a	O
set	O
of	O
services	O
.	O
</s>
<s>
There	O
are	O
existing	O
commercial	O
academic	O
search	O
systems	O
,	O
such	O
as	O
Google	B-Library
Scholar	I-Library
,	O
which	O
provide	O
search	O
and	O
access	O
level	O
services	O
,	O
but	O
do	O
not	O
support	O
programmable	O
machine	O
access	O
to	O
the	O
content	O
.	O
</s>
<s>
This	O
is	O
seen	O
with	O
the	O
use	O
of	O
an	O
API	B-General_Concept
or	O
data	O
dumps	O
,	O
and	O
limits	O
the	O
further	O
reuse	O
of	O
the	O
open	O
access	O
content	O
(	O
e.g.	O
,	O
text	B-Algorithm
and	I-Algorithm
data	I-Algorithm
mining	I-Algorithm
)	O
.	O
</s>
<s>
The	O
programmable	O
machine	O
access	O
is	O
the	O
main	O
feature	O
that	O
distinguishes	O
CORE	O
from	O
Google	B-Library
Scholar	I-Library
and	O
Microsoft	B-Application
Academic	I-Application
Search	I-Application
.	O
</s>
<s>
The	O
first	O
version	O
of	O
CORE	O
was	O
created	O
in	O
2011	O
by	O
Petr	O
Knoth	O
with	O
the	O
aim	O
to	O
make	O
it	O
easier	O
to	O
access	O
and	O
text	B-Algorithm
mine	I-Algorithm
very	O
large	O
amounts	O
of	O
research	O
publications	O
.	O
</s>
<s>
The	O
value	O
of	O
the	O
aggregation	O
was	O
first	O
demonstrated	O
by	O
developing	O
a	O
content	B-Application
recommendation	I-Application
system	I-Application
for	O
research	O
papers	O
,	O
following	O
the	O
ideas	O
of	O
literature-based	O
discovery	O
introduced	O
by	O
Don	O
R	O
.	O
Swanson	O
.	O
</s>
<s>
CORE	O
data	O
can	O
be	O
accessed	O
through	O
an	O
API	B-General_Concept
or	O
downloaded	O
as	O
a	O
pre-processed	O
and	O
semantically	O
enriched	O
data	O
dump	O
.	O
</s>
<s>
CORE	O
also	O
provides	O
a	O
cross-repository	O
content	B-Application
recommendation	I-Application
system	I-Application
based	O
on	O
full-texts	O
.	O
</s>
<s>
CORE	O
API	B-General_Concept
,	O
provides	O
an	O
access	O
point	O
to	O
develop	O
applications	O
making	O
use	O
of	O
CORE	O
's	O
collection	O
of	O
Open	O
Access	O
content	O
.	O
</s>
<s>
CORE	O
Recommender	B-Application
,	O
can	O
link	O
an	O
institutional	O
repository	O
with	O
the	O
CORE	O
service	O
and	O
recommends	O
semantically	O
related	O
resources	O
.	O
</s>
