<s>
The	O
Standard	O
Data	O
Exchange	O
Format	O
(	O
SDEF	B-Application
)	O
provides	O
a	O
proprietary	O
protocol	O
to	O
exchange	O
project	O
planning	O
and	O
progress	O
data	O
between	O
scheduling	O
systems	O
and	O
project	B-Application
management	I-Application
software	I-Application
.	O
</s>
<s>
The	O
USACE	O
publications	O
library	O
includes	O
the	O
exact	O
SDEF	B-Application
specification	O
in	O
PDF	O
format	O
.	O
</s>
