<s>
Apache	B-General_Concept
Hama	I-General_Concept
is	O
a	O
distributed	B-Architecture
computing	I-Architecture
framework	O
based	O
on	O
bulk	B-Application
synchronous	I-Application
parallel	I-Application
computing	O
techniques	O
for	O
massive	O
scientific	O
computations	O
e.g.	O
,	O
matrix	O
,	O
graph	O
and	O
network	O
algorithms	O
.	O
</s>
<s>
Retired	O
in	O
April	O
2020	O
,	O
project	O
resources	O
are	O
made	O
available	O
as	O
part	O
of	O
the	O
Apache	B-Application
Attic	I-Application
.	O
</s>
<s>
It	O
was	O
created	O
by	O
Edward	O
J	O
.	O
Yoon	O
,	O
who	O
named	O
it	O
(	O
short	O
for	O
"	O
Hadoop	O
Matrix	O
"	O
)	O
and	O
was	O
inspired	O
by	O
Google	B-Application
's	I-Application
Pregel	O
large-scale	O
graph	O
computing	O
framework	O
described	O
in	O
2010	O
.	O
</s>
<s>
Hama	O
also	O
means	O
hippopotamus	O
in	O
Korean	O
language	O
( 하마	O
)	O
,	O
following	O
the	O
trend	O
of	O
naming	O
Apache	O
projects	O
after	O
animals	O
and	O
zoology	O
(	O
such	O
as	O
Apache	B-Language
Pig	I-Language
)	O
.	O
</s>
