<?xml version="1.0"?>
<sparql xmlns="http://www.w3.org/2005/sparql-results#">
  <head>
    <variable name="s"/>
    <variable name="p1"/>
    <variable name="o1"/>
  </head>
  <results>
    <result>      
	  <binding name="s"><uri>http://example.org/a</uri></binding>
      <binding name="p1"><uri>http://xmlns.com/foaf/0.1/knows</uri></binding>
      <binding name="o1"><uri>http://example.org/b</uri></binding>
    </result>
  </results>
</sparql>

