<?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">

<!-- 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>

<!-- 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>

</Rulebase>
