<s>
The	O
Microdata	O
Information	O
System	O
(	O
MISSY	B-General_Concept
)	O
is	O
a	O
database-driven	O
online	O
system	O
that	O
provides	O
structured	O
metadata	O
on	O
selected	O
research	O
data	O
of	O
official	O
statistics	O
as	O
part	O
of	O
the	O
service	O
infrastructure	O
of	O
the	O
German	O
Microdata	O
Lab	O
(	O
GML	O
)	O
at	O
GESIS	O
–	O
Leibniz	O
Institute	O
for	O
the	O
Social	O
Sciences	O
.	O
</s>
<s>
MISSY	B-General_Concept
is	O
aimed	O
at	O
empirically	O
working	O
scientists	O
who	O
use	O
official	O
microdata	O
for	O
their	O
research	O
.	O
</s>
<s>
In	O
MISSY	B-General_Concept
,	O
detailed	O
metadata	O
on	O
individual	O
data	O
sets	O
of	O
German	O
and	O
European	O
official	O
statistics	O
are	O
made	O
available	O
to	O
facilitate	O
the	O
use	O
of	O
the	O
data	O
by	O
providing	O
user-friendly	O
and	O
quickly	O
accessible	O
data	O
documentation	O
.	O
</s>
<s>
Metadata	O
for	O
the	O
following	O
microdata	O
are	O
provided	O
and	O
regularly	O
updated	O
in	O
MISSY	B-General_Concept
:	O
</s>
<s>
All	O
documentation	O
in	O
MISSY	B-General_Concept
refers	O
to	O
microdata	O
available	O
for	O
scientific	O
purposes	O
(	O
Scientific	O
Use	O
Files	O
)	O
.	O
</s>
<s>
The	O
metadata	O
offered	O
in	O
MISSY	B-General_Concept
includes	O
all	O
aspects	O
of	O
information	O
relevant	O
for	O
an	O
analysis	O
of	O
the	O
data	O
collected	O
in	O
the	O
respective	O
surveys	O
.	O
</s>
<s>
The	O
MISSY	B-General_Concept
metadata	O
schema	O
is	O
based	O
on	O
the	O
expertise	O
of	O
the	O
GML	O
in	O
the	O
field	O
of	O
official	O
microdata	O
and	O
the	O
recommendations	O
of	O
the	O
international	O
documentation	O
standard	O
of	O
the	O
Data	B-Application
Documentation	I-Application
Initiative	I-Application
(	O
DDI	O
)	O
.	O
</s>
<s>
MISSY	B-General_Concept
also	O
follows	O
the	O
FAIR	O
criteria	O
(	O
findable	O
,	O
accessible	O
,	O
interoperable	O
,	O
and	O
reusable	O
)	O
.	O
</s>
<s>
In	O
MISSY	B-General_Concept
,	O
the	O
research-relevant	O
metadata	O
on	O
official	O
microdata	O
are	O
digitally	O
prepared	O
,	O
enabling	O
their	O
quick	O
retrieval	O
via	O
a	O
database	O
and	O
comparisons	O
between	O
survey	O
years	O
and	O
countries	O
.	O
</s>
<s>
In	O
addition	O
to	O
in-depth	O
study	O
descriptions	O
,	O
MISSY	B-General_Concept
contains	O
detailed	O
variable	O
information	O
,	O
so	O
that	O
researchers	O
can	O
find	O
out	O
in	O
advance	O
whether	O
the	O
variables	O
contained	O
in	O
the	O
data	O
are	O
suitable	O
for	O
their	O
research	O
question	O
.	O
</s>
<s>
MISSY	B-General_Concept
also	O
provides	O
univariate	O
frequency	O
distributions	O
of	O
the	O
variables	O
,	O
allowing	O
for	O
a	O
comparison	O
of	O
the	O
variables	O
of	O
interest	O
,	O
which	O
is	O
very	O
useful	O
for	O
preparing	O
analyses	O
over	O
time	O
or	O
cross-national	O
comparisons	O
.	O
</s>
<s>
Syntax	O
routines	O
developed	O
by	O
the	O
GML	O
for	O
the	O
preparation	O
and	O
analysis	O
of	O
official	O
microdata	O
are	O
also	O
made	O
available	O
in	O
MISSY	B-General_Concept
.	O
</s>
