<s>
Moose	B-Application
is	O
a	O
free	B-Application
and	O
open	B-Application
source	I-Application
platform	I-Application
for	O
software	O
and	O
data	B-General_Concept
analysis	I-General_Concept
built	O
in	O
Pharo	B-Language
.	O
</s>
<s>
Moose	B-Application
offers	O
multiple	O
services	O
ranging	O
from	O
importing	O
and	O
parsing	O
data	O
,	O
to	O
modeling	O
,	O
to	O
measuring	O
,	O
querying	O
,	O
mining	O
,	O
and	O
to	O
building	O
interactive	O
and	O
visual	O
analysis	O
tools	O
.	O
</s>
<s>
Moose	B-Application
was	O
born	O
in	O
a	O
research	O
context	O
,	O
and	O
it	O
is	O
currently	O
supported	O
by	O
several	O
research	O
groups	O
throughout	O
the	O
world	O
.	O
</s>
<s>
The	O
philosophy	O
of	O
Moose	B-Application
is	O
to	O
enable	O
the	O
analyst	O
to	O
produce	O
new	O
dedicated	O
analysis	O
tools	O
,	O
and	O
to	O
customize	O
the	O
flow	O
of	O
analysis	O
.	O
</s>
<s>
While	O
Moose	B-Application
is	O
mainly	O
used	O
in	O
software	O
analysis	O
,	O
it	O
is	O
built	O
to	O
work	O
for	O
any	O
data	O
.	O
</s>
<s>
Through	O
this	O
file	O
format	O
,	O
Moose	B-Application
can	O
exchange	O
data	O
with	O
external	O
tools	O
.	O
</s>
<s>
For	O
parsing	O
,	O
Moose	B-Application
provides	O
a	O
novel	O
framework	O
that	O
makes	O
use	O
of	O
several	O
parsing	O
technologies	O
(	O
like	O
parsing	O
expression	O
grammar	O
)	O
and	O
that	O
provides	O
a	O
fluent	O
interface	O
for	O
easy	O
construction	O
.	O
</s>
<s>
The	O
core	O
of	O
FAMIX	O
is	O
a	O
language	O
independent	O
meta-model	O
that	O
is	O
similar	O
to	O
UML	B-Language
but	O
it	O
is	O
focused	O
on	O
analysis	O
.	O
</s>
<s>
Visualization	B-Application
is	O
supported	O
through	O
two	O
different	O
engines	O
:	O
one	O
for	O
expressing	O
graph	O
visualizations	O
,	O
and	O
one	O
for	O
expressing	O
charts	O
.	O
</s>
<s>
Browsing	O
is	O
an	O
important	O
principle	O
in	O
Moose	B-Application
,	O
and	O
it	O
is	O
supported	O
in	O
multiple	O
ways	O
as	O
well	O
.	O
</s>
<s>
To	O
be	O
able	O
to	O
specify	O
specific	O
browsers	O
,	O
Moose	B-Application
offers	O
a	O
generic	O
engine	O
that	O
eases	O
the	O
specification	O
through	O
a	O
specific	O
fluent	O
interface	O
.	O
</s>
<s>
Moose	B-Application
was	O
born	O
at	O
the	O
University	O
of	O
Bern	O
in	O
the	O
context	O
of	O
FAMOOS	O
,	O
a	O
European	O
project	O
that	O
took	O
place	O
between	O
Sept	O
.	O
1996-Sept	O
.	O
1999	O
.	O
</s>
<s>
In	O
the	O
beginning	O
of	O
the	O
FAMOOS	O
project	O
Moose	B-Application
was	O
merely	O
the	O
implementation	O
of	O
a	O
language	O
independent	O
meta-model	O
known	O
as	O
FAMIX	O
.	O
</s>
<s>
Initially	O
,	O
Moose	B-Application
provided	O
for	O
a	O
hard-coded	O
importer	O
and	O
served	O
as	O
basis	O
for	O
simple	O
visualization	B-Application
and	O
program	O
fact	O
extractor	O
(	O
1997	O
)	O
.	O
</s>
<s>
With	O
the	O
introduction	O
of	O
the	O
XMI	O
standard	O
,	O
a	O
first	O
Meta-Object	B-Application
Facility	I-Application
meta-model	O
was	O
implemented	O
and	O
CDIF	O
meta-models	O
were	O
transformed	O
into	O
MOF	O
meta-models	O
for	O
the	O
XMI	O
model	O
generation	O
.	O
</s>
<s>
However	O
,	O
MOF	O
was	O
not	O
used	O
as	O
the	O
underlying	O
Moose	B-Application
meta-meta-model	O
.	O
</s>
<s>
In	O
parallel	O
,	O
the	O
visualization	B-Application
development	O
led	O
to	O
the	O
extension	O
of	O
the	O
set	O
of	O
metrics	O
computed	O
.	O
</s>
<s>
At	O
the	O
time	O
,	O
CodeCrawler	O
was	O
the	O
flagship	O
application	O
of	O
Moose	B-Application
,	O
and	O
for	O
a	O
significant	O
period	O
CodeCrawler	O
influenced	O
the	O
architecture	O
of	O
Moose	B-Application
(	O
1999	O
)	O
.	O
</s>
<s>
It	O
became	O
apparent	O
that	O
the	O
meta-descriptions	O
are	O
a	O
powerful	O
way	O
of	O
separating	O
the	O
data	B-Application
representation	I-Application
(	O
i.e.	O
,	O
the	O
meta-model	O
)	O
from	O
the	O
different	O
techniques	O
to	O
manipulate	O
this	O
data	O
.	O
</s>
<s>
An	O
important	O
role	O
in	O
the	O
caching	O
mechanism	O
and	O
in	O
the	O
querying	O
is	O
played	O
by	O
the	O
notion	O
of	O
a	O
group	O
as	O
a	O
first-class	O
entity	O
:	O
every	O
query	O
or	O
selection	O
in	O
Moose	B-Application
yields	O
a	O
group	O
,	O
and	O
any	O
group	O
can	O
be	O
manipulated	O
in	O
the	O
Browser	O
(	O
2003	O
)	O
.	O
</s>
<s>
In	O
2006	O
,	O
Meta	O
was	O
created	O
as	O
a	O
self-described	O
implementation	O
of	O
EMOF	B-Application
(	O
Essential	O
Meta	B-Application
Object	I-Application
Facility	I-Application
)	O
and	O
it	O
replaced	O
the	O
meta-meta-model	O
of	O
Moose	B-Application
.	O
</s>
<s>
Because	O
Meta	O
is	O
self	O
described	O
,	O
Moose	B-Application
is	O
now	O
able	O
to	O
load	O
both	O
externals	O
models	O
and	O
meta-models	O
using	O
the	O
same	O
mechanism	O
.	O
</s>
<s>
Mondrian	O
uses	O
Smalltalk	B-Application
as	O
an	O
underlying	O
scripting	O
language	O
and	O
adds	O
support	O
for	O
graph	O
based	O
visualizations	O
.	O
</s>
<s>
In	O
2007	O
,	O
a	O
new	O
engine	O
,	O
called	O
EyeSee	O
,	O
grew	O
up	O
around	O
Moose	B-Application
to	O
allow	O
for	O
scripting	O
Excel-like	O
charts	O
.	O
</s>
<s>
In	O
2008	O
,	O
Meta	O
was	O
replaced	O
by	O
Fame	O
that	O
implements	O
a	O
new	O
meta-meta-model	O
(	O
FM3	O
)	O
that	O
is	O
simpler	O
and	O
more	O
flexible	O
than	O
EMOF	B-Application
.	O
</s>
<s>
Starting	O
with	O
the	O
end	O
of	O
2008	O
,	O
a	O
large	O
effort	O
was	O
started	O
to	O
move	O
Moose	B-Application
from	O
VisualWorks	O
to	O
Pharo	B-Language
,	O
an	O
open	B-Application
source	I-Application
Smalltalk	B-Application
.	O
</s>
<s>
The	O
first	O
alpha	O
version	O
under	O
Pharo	B-Language
was	O
released	O
in	O
August	O
2009	O
.	O
</s>
<s>
PetitParser	O
was	O
added	O
to	O
the	O
Moose	B-Application
Suite	O
.	O
</s>
