<http://webisa.webdatacommons.org/79404694>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/79404694>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<daviddfriedman.com> .
<http://webisa.webdatacommons.org/prov/194669584>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/79404694> .
<http://webisa.webdatacommons.org/79404694>	<http://www.w3.org/ns/prov#value>	"you do not know in advance which party is the lowest cost" .