<http://webisa.webdatacommons.org/355999562>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<coverpages.org> .
<http://webisa.webdatacommons.org/355999562>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/210535578>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/355999562> .
<http://webisa.webdatacommons.org/355999562>	<http://www.w3.org/ns/prov#value>	"DTDs are written in a syntax other than XMLs' and rely upon post-processing for validation." .