About: http://webisa.webdatacommons.org/315734518

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Despite the recent popularity of happiness studies among economists, psychologists, and other social scientists, the cause of the correlation between age and happiness remains somewhat mysterious.
http://www.w3.org/ns/prov#wasQuotedFrom	beliefnet.com