<http://webisa.webdatacommons.org/12738760>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<infoq.com> .
<http://webisa.webdatacommons.org/prov/396274244>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/12738760> .
<http://webisa.webdatacommons.org/12738760>	<http://www.w3.org/ns/prov#value>	"OPTIONS and especially using the Expect header should be considered optional steps." .
<http://webisa.webdatacommons.org/12738760>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .