<http://webisa.webdatacommons.org/prov/459886846>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/419432521> .
<http://webisa.webdatacommons.org/419432521>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<slideshare.net> .
<http://webisa.webdatacommons.org/419432521>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/419432521>	<http://www.w3.org/ns/prov#value>	"Our activities, particularly deep and ultra???deep water drilling, present several risks such as the risk of spills, explosions in platforms and drilling operations and natural disasters." .