<http://webisa.webdatacommons.org/355298396>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wikipedia.org> .
<http://webisa.webdatacommons.org/prov/437187929>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/355298396> .
<http://webisa.webdatacommons.org/prov/440816514>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/355298396> .
<http://webisa.webdatacommons.org/355298396>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/355298396>	<http://www.w3.org/ns/prov#value>	"In North America and especially in South America and Africa the number of sites from that time period is smaller and the sites have not been exhaustively investigated yet." .