<s>
Vine	B-Operating_System
Toolkit	I-Operating_System
is	O
an	O
open	B-Application
source	I-Application
software	I-Application
framework	O
that	O
is	O
used	O
to	O
create	O
Grid-aware	O
web	O
applications	O
.	O
</s>
<s>
According	O
to	O
the	O
Vine	B-Operating_System
Toolkit	I-Operating_System
web	O
site	O
:	O
</s>
<s>
"	O
Vine	O
is	O
a	O
modular	O
,	O
extensible	O
Java	B-Device
library	O
that	O
offers	O
developers	O
an	O
easy-to-use	O
,	O
high-level	O
Application	O
Programmer	O
Interface	O
(	O
API	O
)	O
for	O
Grid-enabling	O
applications	O
.	O
</s>
<s>
Vine	O
can	O
be	O
deployed	O
for	O
use	O
in	O
desktop	O
,	O
Java	B-Device
Web	O
Start	O
,	O
Java	B-Device
Servlet	O
and	O
Java	B-Device
Portlet	B-Language
environments	O
with	O
ease.	O
"	O
</s>
<s>
According	O
to	O
the	O
Vine	B-Operating_System
Toolkit	I-Operating_System
project	O
page	O
,	O
Vine	O
case	O
be	O
used	O
to	O
:	O
</s>
<s>
Create	O
web	O
application	O
based	O
on	O
Flex	B-Operating_System
technologies	O
.	O
</s>
<s>
Add	O
Grid	B-Architecture
context	O
to	O
the	O
web	O
components	O
with	O
the	O
relevant	O
plugins	O
.	O
</s>
<s>
Abstract	O
different	O
middlewares	B-General_Concept
implementation	O
details	O
.	O
</s>
<s>
That	O
allows	O
user	O
to	O
create	O
his	O
application	O
once	O
and	O
execute	O
it	O
on	O
every	O
supported	O
middleware	B-General_Concept
.	O
</s>
<s>
"	O
The	O
Vine	B-Operating_System
Toolkit	I-Operating_System
consists	O
of	O
a	O
core	O
project	O
that	O
defines	O
a	O
base	O
API	O
and	O
programming	O
model	O
upon	O
which	O
sub	O
projects	O
are	O
built	O
.	O
</s>
<s>
Some	O
,	O
like	O
the	O
Grid	B-Architecture
Vine	O
,	O
build	O
upon	O
core	O
Vine	O
to	O
define	O
more	O
general	O
concepts	O
and	O
extensible	O
elements	O
.	O
</s>
<s>
Since	O
Vine	O
is	O
Java	B-Device
and	O
Flex	B-Operating_System
based	O
framework	O
it	O
works	O
with	O
all	O
major	O
platforms	O
including	O
Windows	O
,	O
Unix	B-Application
and	O
Mac	B-Application
Os	I-Application
.	O
</s>
<s>
Integration	O
with	O
the	O
Gridsphere	O
portlet	B-Language
container	I-Language
.	O
</s>
<s>
Integration	O
with	O
the	O
Liferay	B-Language
portal	I-Language
.	O
</s>
