<s>
In	O
computer	O
science	O
Language	B-Application
Of	I-Application
Temporal	I-Application
Ordering	I-Application
Specification	I-Application
(	O
LOTOS	O
)	O
is	O
a	O
formal	B-Application
specification	I-Application
language	I-Application
based	O
on	O
temporal	O
ordering	O
of	O
events	O
.	O
</s>
<s>
Work	O
on	O
the	O
standard	O
was	O
completed	O
in	O
1988	O
,	O
and	O
it	O
was	O
published	O
as	O
ISO	B-Application
8807	I-Application
in	O
1989	O
.	O
</s>
<s>
Between	O
1993	O
and	O
2001	O
,	O
an	O
ISO	O
committee	O
worked	O
to	O
define	O
a	O
revised	O
version	O
of	O
the	O
LOTOS	O
standard	O
,	O
which	O
was	O
published	O
in	O
2001	O
as	O
E-LOTOS	B-Application
.	O
</s>
