<http://webisa.webdatacommons.org/prov/62063774>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/112354175> .
<http://webisa.webdatacommons.org/112354175>	<http://www.w3.org/ns/prov#value>	"Local men with an Italian background often had a concreting business, afterall, concrete was an important innovative building material used in ancient Rome." .
<http://webisa.webdatacommons.org/112354175>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<blogspot.com> .
<http://webisa.webdatacommons.org/112354175>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .