<http://webisa.webdatacommons.org/379214798>	<http://www.w3.org/ns/prov#value>	"activities, including risks associated with underground construction" .
<http://webisa.webdatacommons.org/379214798>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/459886846>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/379214798> .
<http://webisa.webdatacommons.org/379214798>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<yahoo.com> .