<http://webisa.webdatacommons.org/134106488>	<http://www.w3.org/ns/prov#value>	"However, luckily there are some good examples of revealed preferences in the historical timeline." .
<http://webisa.webdatacommons.org/134106488>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/134106488>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<econlib.org> .
<http://webisa.webdatacommons.org/prov/243927663>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/134106488> .