<s>
The	O
Grading	B-Architecture
Open	I-Architecture
Service	I-Architecture
Interface	I-Architecture
Definition	I-Architecture
(	O
OSID	B-Architecture
)	O
is	O
an	O
Open	O
Knowledge	O
Initiative	O
specification	B-Application
.	O
</s>
<s>
OSIDs	B-Architecture
are	O
programmatic	O
interfaces	O
which	O
comprise	O
a	O
Service	O
Oriented	O
Architecture	O
for	O
designing	O
and	O
building	O
reusable	B-Application
and	O
interoperable	O
software	O
.	O
</s>
<s>
The	O
Grading	B-Architecture
OSID	I-Architecture
supports	O
characterizing	O
,	O
storing	O
,	O
and	O
retrieving	O
Grades	O
.	O
</s>
<s>
This	O
service	O
also	O
provides	O
for	O
managing	O
GradeRecords	O
,	O
which	O
join	O
information	O
about	O
the	O
Grade	O
 '	O
,	O
the	O
Agent	B-Architecture
whose	O
Grade	O
it	O
is	O
,	O
and	O
the	O
object	O
that	O
was	O
graded	O
.	O
</s>
<s>
The	O
Grading	B-Architecture
OSID	I-Architecture
is	O
related	O
to	O
the	O
Assessment	B-Architecture
OSID	I-Architecture
.	O
</s>
<s>
Assessment	O
can	O
be	O
used	O
as	O
the	O
gradable	O
object	O
referenced	O
in	O
the	O
Grading	B-Architecture
OSID	I-Architecture
.	O
</s>
