<http://webisa.webdatacommons.org/121785972>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<arstechnica.com> .
<http://webisa.webdatacommons.org/prov/332123048>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/121785972> .
<http://webisa.webdatacommons.org/121785972>	<http://www.w3.org/ns/prov#value>	"Prolog and SQL are examples of this (though Prolog is somewhat more general than SQL).SQL is a language strongly tied to the domain of relational structured data[1]." .
<http://webisa.webdatacommons.org/121785972>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .