<s>
Automated	B-Protocol
Content	I-Protocol
Access	I-Protocol
Protocol	I-Protocol
(	O
"	O
ACAP	O
"	O
)	O
was	O
proposed	O
in	O
2006	O
as	O
a	O
method	O
of	O
providing	O
machine-readable	O
permissions	O
information	O
for	O
content	O
,	O
in	O
the	O
hope	O
that	O
it	O
would	O
have	O
allowed	O
automated	O
processes	O
(	O
such	O
as	O
search-engine	O
web	B-Application
crawling	I-Application
)	O
to	O
be	O
compliant	O
with	O
publishers	O
 '	O
policies	O
without	O
the	O
need	O
for	O
human	O
interpretation	O
of	O
legal	O
terms	O
.	O
</s>
<s>
ACAP	O
rules	O
can	O
be	O
considered	O
as	O
an	O
extension	O
to	O
the	O
Robots	O
Exclusion	O
Standard	O
(	O
or	O
"	O
robots.txt	O
"	O
)	O
for	O
communicating	O
website	O
access	O
information	O
to	O
automated	O
web	B-Application
crawlers	I-Application
.	O
</s>
<s>
Only	O
one	O
,	O
Exalead	B-Application
,	O
ever	O
confirmed	O
that	O
they	O
will	O
be	O
adopting	O
the	O
standard	O
,	O
but	O
they	O
have	O
since	O
ceased	O
functioning	O
as	O
a	O
search	O
portal	O
to	O
focus	O
on	O
the	O
software	O
side	O
of	O
their	O
business	O
.	O
</s>
