<s>
Generic	B-Language
Eclipse	I-Language
Modeling	I-Language
System	I-Language
(	O
GEMS	O
)	O
is	O
a	O
configurable	O
toolkit	O
for	O
creating	O
domain-specific	B-Language
modeling	I-Language
and	O
program	B-Application
synthesis	I-Application
environments	O
for	O
Eclipse	B-Application
.	O
</s>
<s>
The	O
project	O
aims	O
to	O
bridge	O
the	O
gap	O
between	O
the	O
communities	O
experienced	O
with	O
visual	O
metamodeling	O
tools	O
like	O
those	O
built	O
around	O
the	O
Eclipse	B-Application
modeling	O
technologies	O
,	O
such	O
as	O
the	O
Eclipse	B-Language
Modeling	I-Language
Framework	I-Language
(	O
EMF	O
)	O
and	O
Graphical	B-Language
Modeling	I-Language
Framework	I-Language
(	O
GMF	O
)	O
.	O
</s>
<s>
Graphical	O
modeling	O
tools	O
created	O
with	O
GEMS	O
automatically	O
support	O
complex	O
capabilities	O
,	O
such	O
as	O
remote	O
updating	O
and	O
querying	O
,	O
template	O
creation	O
,	O
styling	O
with	O
Cascading	B-Language
Style	I-Language
Sheets	I-Language
(	O
CSS	B-Language
)	O
,	O
and	O
model	O
linking	O
.	O
</s>
<s>
a	O
domain-specific	B-Language
modeling	I-Language
language	I-Language
(	O
DSML	O
)	O
.	O
</s>
<s>
The	O
built-in	O
metamodeling	O
language	O
is	O
based	O
on	O
the	O
UML	B-Language
class	O
diagram	O
notation	O
.	O
</s>
<s>
OCL	O
,	O
Prolog	O
)	O
or	O
,	O
alternatively	O
,	O
in	O
Java	B-Language
.	O
</s>
<s>
The	O
generated	O
plug-in	O
uses	O
Eclipse	B-Language
's	I-Language
Graphical	I-Language
Editing	I-Language
Framework	I-Language
(	O
GEF	O
)	O
and	O
Draw2D	O
plug-in	O
to	O
visualize	O
the	O
DSML	O
as	O
a	O
diagram	O
.	O
</s>
