About: http://webisa.webdatacommons.org/178280251

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	The statistical-inference problem is that people who abstain are different in all kinds of ways (some not readily observable) from those who drink.
http://www.w3.org/ns/prov#wasQuotedFrom	volokh.com