<?xml version="1.0"?> <sparql xmlns="http://www.w3.org/2005/sparql-results#"> <head> <variable name="s"/> </head> <results> <result> <binding name="s"> <uri>http://example.org/s</uri> </binding> </result> <result> <binding name="s"> <uri>http://example.org/m</uri> </binding> </result> </results> </sparql>