er
2009.
IETF
Best
Current
Practice.
URL:
<a href="http://tools.ietf.org/rfc/bcp/bcp47.txt">
http://tools.ietf.org/rfc/bcp/bcp47.txt
</a>
</dd>
<dt id="bib-RDF-CONCEPTS">
[RDF-CONCEPTS]
</dt>
<dd>
Graham
Klyne;
Jeremy
J.
Carroll.
<a href="http://www.w3.org/TR/2004/REC-rdf-concepts-20040210">
<cite>
Resource
Description
Framework
(RDF):
Concepts
and
Abstract
Syntax.
</cite>
</a>
10
February
2004.
W3C
Recommendation.
URL:
<a href="http://www.w3.org/TR/2004/REC-rdf-concepts-20040210">
http://www.w3.org/TR/2004