<s>
The	O
Publishing	B-Language
Requirements	I-Language
for	I-Language
Industry	I-Language
Standard	I-Language
Metadata	I-Language
(	O
PRISM	O
)	O
for	O
the	O
Internet	O
,	O
computing	O
,	O
and	O
computer	B-General_Concept
science	I-General_Concept
,	O
is	O
a	O
specification	O
that	O
defines	O
a	O
set	O
of	O
XML	B-Protocol
metadata	O
vocabularies	O
for	O
syndicating	O
,	O
aggregating	O
,	O
post-processing	O
and	O
multi-purposing	O
content	O
.	O
</s>
<s>
PRISM	O
can	O
be	O
XML	B-Protocol
,	O
RDF/XML	O
,	O
or	O
XMP	O
and	O
incorporates	O
Dublin	O
Core	O
elements	O
.	O
</s>
<s>
PRISM	O
can	O
be	O
thought	O
of	O
as	O
a	O
set	O
of	O
XML	B-Protocol
tags	B-General_Concept
used	O
to	O
contain	O
the	O
metadata	O
of	O
articles	O
and	O
even	O
tag	B-General_Concept
article	O
content	O
.	O
</s>
<s>
PRISM	O
incorporated	O
existing	O
industry	O
standards	O
such	O
as	O
Dublin	O
Core	O
and	O
XHTML	B-Language
in	O
order	O
to	O
leverage	O
work	O
that	O
had	O
already	O
been	O
done	O
in	O
the	O
publishing	O
industry	O
.	O
</s>
<s>
A	O
second	O
specification	O
,	O
the	O
PRISM	O
Aggregator	O
Message	O
(	O
PAM	O
)	O
Schema/DTD	O
,	O
is	O
a	O
standard	O
format	O
for	O
publishers	O
to	O
use	O
for	O
delivery	O
of	O
content	O
to	O
websites	O
,	O
aggregators	O
,	O
and	O
syndicators	O
.	O
</s>
<s>
PAM	O
is	O
available	O
as	O
an	O
XML	B-Language
DTD	I-Language
and	O
an	O
XML	B-Language
schema	I-Language
(	O
XSD	O
)	O
.	O
</s>
<s>
The	O
third	O
,	O
and	O
newest	O
,	O
specification	O
provides	O
an	O
XML	B-Language
schema	I-Language
(	O
XSD	O
)	O
for	O
the	O
capture	O
of	O
content	O
usage	O
rights	O
metadata	O
.	O
</s>
<s>
Currently	O
PRISM	O
metadata	O
can	O
be	O
encoded	O
XML	B-Protocol
,	O
XML/RDF	O
,	O
or	O
as	O
XMP	O
.	O
</s>
<s>
Profile	O
1	O
is	O
for	O
the	O
expression	O
of	O
PRISM	O
metadata	O
in	O
XML	B-Protocol
.	O
</s>
<s>
An	O
example	O
is	O
the	O
XML	B-Protocol
PRISM	O
Aggregator	O
Message	O
(	O
PAM	O
)	O
.	O
</s>
<s>
Profile	O
2	O
is	O
for	O
the	O
expression	O
of	O
PRISM	O
metadata	O
in	O
XML/RDF	O
such	O
as	O
for	O
expressing	O
PRISM	O
metadata	O
in	O
RSS	O
feeds	O
.	O
</s>
