<s>
Datomic	B-Operating_System
is	O
a	O
distributed	B-Operating_System
database	I-Operating_System
and	O
implementation	O
of	O
Datalog	B-Language
.	O
</s>
<s>
It	O
has	O
ACID	O
transactions	O
,	O
joins	O
,	O
and	O
a	O
logical	O
query	O
language	O
,	O
Datalog	B-Language
.	O
</s>
<s>
A	O
distinguishing	O
feature	O
of	O
Datomic	B-Operating_System
is	O
that	O
time	O
is	O
a	O
basic	O
feature	O
of	O
data	O
entities	O
.	O
</s>
<s>
It	O
has	O
been	O
designed	O
for	O
first-class	O
use	O
with	O
JVM	B-Language
languages	O
such	O
as	O
Java	O
and	O
Clojure	B-Language
.	O
</s>
<s>
In	O
its	O
reference	O
architecture	O
,	O
Datomic	B-Operating_System
uses	O
peers	O
and	O
transactors	O
which	O
run	O
on	O
the	O
JVM	B-Language
.	O
</s>
