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:foaf="http://xmlns.com/foaf/0.1/">
<head>
<title>Test 0019</title>
</head>
<body>
<div about="mailto:daniel.brickley@bristol.ac.uk"
rel="foaf:knows" href="mailto:libby.miller@bristol.ac.uk"></div>
</body>
</html>
Triples (N3 format)
@prefix foaf: <http://xmlns.com/foaf/0.1/>.
<mailto:daniel.brickley@bristol.ac.uk> foaf:knows <mailto:libby.miller@bristol.ac.uk>.
SPARQL (PASSED)
ASK WHERE {
<mailto:daniel.brickley@bristol.ac.uk> <http://xmlns.com/foaf/0.1/knows> <mailto:libby.miller@bristol.ac.uk> .
}