<s>
A	O
terminology-oriented	B-Application
database	I-Application
or	O
terminology-oriented	B-Application
database	I-Application
management	O
system	O
is	O
a	O
conceptual	O
extension	O
of	O
an	O
object-oriented	B-Application
database	I-Application
.	O
</s>
<s>
Compared	O
with	O
object-oriented	B-Application
databases	I-Application
,	O
the	O
terminology-oriented	B-Application
database	I-Application
requires	O
some	O
minor	O
conceptual	O
extensions	O
on	O
the	O
schema	B-Application
level	O
as	O
supporting	O
set	O
relations	O
(	O
super-set	O
,	O
subset	O
,	O
intersection	O
etc	O
.	O
</s>
<s>
The	O
data	O
model	O
of	O
a	O
terminology-oriented	B-Application
database	I-Application
is	O
high-level	O
;	O
the	O
terminology-oriented	B-Application
database	I-Application
provides	O
facilities	O
for	O
transforming	O
a	O
terminology	O
model	O
provided	O
by	O
subject	O
area	O
experts	O
completely	O
into	O
a	O
database	B-Application
schema	I-Application
.	O
</s>
<s>
The	O
target	O
schema	B-Application
might	O
be	O
the	O
database	B-Application
schema	I-Application
for	O
an	O
object-oriented	B-Application
database	I-Application
as	O
well	O
as	O
a	O
relational	B-Application
database	I-Application
schema	I-Application
,	O
or	O
even	O
an	O
XML	B-Protocol
schema	B-Application
.	O
</s>
<s>
Typically	O
,	O
terminology-oriented	B-Application
databases	I-Application
are	O
not	O
bound	O
on	O
a	O
specific	O
database	O
type	O
.	O
</s>
<s>
Since	O
the	O
information	O
content	O
,	O
which	O
can	O
be	O
stored	O
in	O
object-oriented	B-Application
databases	I-Application
and	O
in	O
relational	B-Application
databases	I-Application
,	O
is	O
identical	O
,	O
data	O
for	O
a	O
terminology-oriented	B-Application
database	I-Application
can	O
be	O
stored	O
theoretically	O
in	O
any	O
type	O
of	O
database	O
as	O
well	O
as	O
in	O
an	O
XML	B-Protocol
file	O
.	O
</s>
<s>
Thus	O
,	O
terminology-oriented	B-Application
databases	I-Application
may	O
support	O
several	O
database	O
systems	O
for	O
storing	O
application	O
data	O
.	O
</s>
<s>
Semantic	B-General_Concept
mapping	I-General_Concept
can	O
also	O
enhance	O
performance	O
.	O
</s>
