<?xml version="1.0" encoding="UTF-8"?>
<Rulebase xmlns="http://www.ruleml.org/0.87/xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.ruleml.org/0.87/xsd http://www.ruleml.org/0.87/xsd/urcbindatalog.xsd">
	<!-- rel-ur-ind triple a la RDF report (http://www.w3.org/TR/REC-rdf-syntax/):
"Ora Lassila  is the creator of  the resource http://www.w3.org/Home/Lassila."
"http://www.w3.org/Home/Lassila  has creator  Ora Lassila." -->
	<clause>
		<Fact>
			<head>
				<Atom>
					<opr>
						<Rel href="http://dublincore.org/documents/dces/index.shtml.rdf#Creator"/>
					</opr>
					<Ind href="http://www.w3.org/Home/Lassila"/>
					<Ind>Ora Lassila</Ind>
				</Atom>
			</head>
		</Fact>
	</clause>
	<!-- Ground query asking for that triple -->
	<clause>
		<Query>
			<body>
				<Atom>
					<opr>
						<Rel href="http://dublincore.org/documents/dces/index.shtml.rdf#Creator"/>
					</opr>
					<Ind href="http://www.w3.org/Home/Lassila"/>
					<Ind>Ora Lassila</Ind>
				</Atom>
			</body>
		</Query>
	</clause>
	<!-- Non-ground query asking for matching triples -->
	<clause>
		<Query>
			<body>
				<Atom>
					<opr>
						<Rel href="http://dublincore.org/documents/dces/index.shtml.rdf#Creator"/>
					</opr>
					<Var>home page</Var>
					<Var>person</Var>
				</Atom>
			</body>
		</Query>
	</clause>
</Rulebase>

