<http://webisa.webdatacommons.org/148954865>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/479883296>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/148954865> .
<http://webisa.webdatacommons.org/148954865>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<historylearningsite.co.uk> .
<http://webisa.webdatacommons.org/prov/256367441>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/148954865> .
<http://webisa.webdatacommons.org/148954865>	<http://www.w3.org/ns/prov#value>	"Class is an essential object of analysis for sociologists, anthropologists, political economists, and social historians.??? To ???an informal ranking of people in a culture based on their income, occupation, education, dwelling, and other factors." .