About: http://webisa.webdatacommons.org/453550575

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	Such studies have often used spoken corpus data (although it is possible also to consider written corpora) where speakers have been annotated with reference to demographic variables such as sex, age and social class.
http://www.w3.org/ns/prov#wasQuotedFrom	questia.com