<s>
AZ64	B-General_Concept
or	O
AZ64	B-General_Concept
Encoding	O
is	O
a	O
data	B-General_Concept
compression	I-General_Concept
algorithm	I-General_Concept
proprietary	O
to	O
Amazon	B-Application
Web	I-Application
Services	I-Application
.	O
</s>
<s>
Amazon	O
claims	O
better	O
compression	O
and	O
better	O
speed	O
than	O
raw	O
,	O
LZO	B-Language
or	O
Zstandard	B-Language
,	O
when	O
used	O
in	O
Amazon	O
's	O
Redshift	O
service	O
.	O
</s>
