<http://webisa.webdatacommons.org/247079148>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/247079148>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<i-programmer.info> .
<http://webisa.webdatacommons.org/prov/516171974>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/247079148> .
<http://webisa.webdatacommons.org/247079148>	<http://www.w3.org/ns/prov#value>	"By our new rule we can replace the x in x z with s, i.e. a b." .