<s>
Argus	B-Language
is	O
a	O
programming	O
language	O
created	O
at	O
MIT	O
by	O
Barbara	O
Liskov	O
between	O
1982	O
and	O
1988	O
,	O
in	O
collaboration	O
with	O
Maurice	O
Herlihy	O
,	O
Paul	O
Johnson	O
,	O
Robert	O
Scheifler	O
,	O
and	O
William	O
Weihl	O
.	O
</s>
<s>
It	O
is	O
an	O
extension	O
of	O
the	O
CLU	B-Language
language	I-Language
,	O
and	O
utilizes	O
most	O
of	O
the	O
same	O
syntax	O
and	O
semantics	B-Application
.	O
</s>
<s>
Argus	B-Language
was	O
designed	O
to	O
support	O
the	O
creation	O
of	O
distributed	B-Architecture
programs	I-Architecture
,	O
by	O
encapsulating	B-Application
related	O
procedures	O
within	O
objects	O
called	O
guardians	O
,	O
and	O
by	O
supporting	O
atomic	B-General_Concept
operations	I-General_Concept
called	O
actions	O
.	O
</s>
