<http://webisa.webdatacommons.org/155114537>	<http://www.w3.org/ns/prov#value>	"This is not at all certain, however, but it is known that there was a gateway in" .
<http://webisa.webdatacommons.org/155114537>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/437091301>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/155114537> .
<http://webisa.webdatacommons.org/155114537>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<pegasusarchive.org> .