XHTML
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML+RDFa 1.0//EN" "http://www.w3.org/MarkUp/DTD/xhtml-rdfa-1.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:dc="http://purl.org/dc/elements/1.1/">
<head>
<title>Test 0031</title>
</head>
<body>
<p about="#wtw">
The book <b>Weaving the Web</b> (hardcover) has the ISBN
<span rel="dc:identifier" resource="urn:ISBN:0752820907">0752820907</span>.
</p>
</body>
</html>
N3 Triples
@prefix _5: <http://www.w3.org/2006/07/SWD/RDFa/testsuite/xhtml1-testcases/0031.xhtml#>.
@prefix dc: <http://purl.org/dc/elements/1.1/>.
_5:wtw dc:identifier <urn:ISBN:0752820907>.
RDF
<?xml version="1.0" encoding="utf-8"?>
<rdf:RDF
xmlns:rdf='http://www.w3.org/1999/02/22-rdf-syntax-ns#'
xmlns:dc='http://purl.org/dc/elements/1.1/'
>
<rdf:Description rdf:about="http://www.w3.org/2006/07/SWD/RDFa/testsuite/xhtml1-testcases/0031.xhtml#wtw">
<dc:identifier rdf:resource="urn:ISBN:0752820907"/>
</rdf:Description>
</rdf:RDF>
SPARQL (PASSED)
ASK FROM <http://www.w3.org/2007/08/pyRdfa/extract?uri=http%3A//www.w3.org/2006/07/SWD/RDFa/testsuite/xhtml1-testcases/0031.xhtml> WHERE {
<http://www.w3.org/2006/07/SWD/RDFa/testsuite/xhtml1-testcases/0031.xhtml#wtw> <http://purl.org/dc/elements/1.1/identifier> <urn:ISBN:0752820907> .
}