<s>
BibSonomy	B-Application
is	O
a	O
social	B-General_Concept
bookmarking	I-General_Concept
and	O
publication-sharing	O
system	O
.	O
</s>
<s>
BibSonomy	B-Application
offers	O
users	O
the	O
ability	O
to	O
store	O
and	O
organize	O
their	O
bookmarks	O
and	O
publication	O
entries	O
and	O
supports	O
the	O
integration	O
of	O
different	O
communities	O
and	O
people	O
by	O
offering	O
a	O
social	O
platform	O
for	O
literature	O
exchange	O
.	O
</s>
<s>
Both	O
bookmarks	O
and	O
publication	O
entries	O
can	O
be	O
tagged	B-General_Concept
to	O
help	O
structure	O
and	O
re-find	O
information	O
.	O
</s>
<s>
As	O
the	O
descriptive	O
terms	O
can	O
be	O
freely	O
chosen	O
,	O
the	O
assignment	O
of	O
tags	B-General_Concept
from	O
different	O
users	O
creates	O
a	O
spontaneous	O
,	O
uncontrolled	O
vocabulary	O
:	O
a	O
folksonomy	B-General_Concept
.	O
</s>
<s>
In	O
BibSonomy	B-Application
,	O
the	O
folksonomy	B-General_Concept
evolves	O
from	O
the	O
participation	O
of	O
research	O
groups	O
,	O
learning	O
communities	O
and	O
individual	O
users	O
,	O
organizing	O
their	O
information	O
needs	O
.	O
</s>
<s>
Publication	O
posts	O
in	O
BibSonomy	B-Application
are	O
stored	O
in	O
the	O
BibTeX	B-Language
format	O
.	O
</s>
<s>
Export	O
in	O
other	O
formats	O
such	O
as	O
EndNote	B-Library
or	O
HTML	B-Language
(	O
e	O
.	O
g	O
.	O
for	O
publication	O
list	O
creation	O
)	O
is	O
possible	O
.	O
</s>
<s>
,	O
the	O
source	O
code	O
of	O
BibSonomy	B-Application
is	O
available	O
under	O
the	O
GNU	B-Application
Lesser	I-Application
General	I-Application
Public	I-Application
License	I-Application
.	O
</s>
<s>
,	O
the	O
source	O
code	O
of	O
the	O
BibSonomy	B-Application
web	O
application	O
is	O
available	O
under	O
the	O
GNU	B-Application
Affero	I-Application
General	I-Application
Public	I-Application
License	I-Application
.	O
</s>
