<s>
LWP	O
-	O
The	O
World-Wide	O
Web	O
library	O
for	O
Perl	B-Language
(	O
also	O
called	O
libwww-perl	B-Language
)	O
is	O
a	O
set	O
of	O
Perl	B-Language
modules	I-Language
that	O
give	O
Perl	B-Language
programming	I-Language
easy	O
access	O
to	O
sending	O
requests	O
to	O
the	O
World	O
Wide	O
Web	O
.	O
</s>
<s>
libwww-perl	B-Language
provides	O
an	O
application	B-Application
programming	I-Application
interface	I-Application
(	O
API	B-Application
)	O
to	O
an	O
HTTP	B-Protocol
client	O
as	O
well	O
as	O
a	O
number	O
of	O
HTML	B-Language
utilities	O
,	O
and	O
standard	O
objects	O
to	O
represent	O
HTTP	B-Protocol
requests	I-Protocol
and	O
responses	O
.	O
</s>
<s>
The	O
first	O
generation	O
of	O
libwww-perl	B-Language
was	O
written	O
by	O
Roy	O
Fielding	O
using	O
version	O
4.036	O
of	O
Perl	B-Language
.	O
</s>
<s>
Fielding	O
's	O
work	O
on	O
libwww-perl	B-Language
provided	O
a	O
backend	O
HTTP	B-Protocol
interface	O
for	O
his	O
MOMSpider	O
Web	B-Application
crawler	I-Application
.	O
</s>
<s>
Fielding	O
's	O
work	O
on	O
libwww-perl	B-Language
was	O
informed	O
by	O
Tim	O
Berners-Lee	O
'	O
s	O
work	O
on	O
libwww	B-Protocol
,	O
and	O
helped	O
to	O
clarify	O
the	O
architecture	O
of	O
the	O
Web	O
that	O
was	O
eventually	O
documented	O
in	O
HTTP	B-Protocol
v1.0	O
.	O
</s>
<s>
The	O
second	O
generation	O
of	O
libwww-perl	B-Language
was	O
based	O
on	O
version	O
5.004	O
of	O
Perl	B-Language
,	O
and	O
written	O
by	O
Martijn	O
Koster	O
and	O
Gisle	O
Aas	O
.	O
</s>
