<s>
Lempel	O
–	O
Ziv	O
Ross	O
Williams	O
(	O
LZRW	B-Algorithm
)	O
refers	O
to	O
variants	O
of	O
the	O
LZ77	O
lossless	B-Algorithm
data	I-Algorithm
compression	I-Algorithm
algorithms	O
with	O
an	O
emphasis	O
on	O
improving	O
compression	O
speed	O
through	O
the	O
use	O
of	O
hash	B-Algorithm
tables	I-Algorithm
and	O
other	O
techniques	O
.	O
</s>
<s>
The	O
LZJB	B-Application
algorithm	O
used	O
in	O
ZFS	B-Application
is	O
derived	O
from	O
LZRW1	O
.	O
</s>
