<http://webisa.webdatacommons.org/4300856>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<csoft.net> .
<http://webisa.webdatacommons.org/prov/232375033>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/4300856> .
<http://webisa.webdatacommons.org/4300856>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/4300856>	<http://www.w3.org/ns/prov#value>	"Dams are an attempt to tame the environment, and they have been spectacular failures as often as great successes." .