About: http://webisa.webdatacommons.org/55302839

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	What does it cost users to obtain information?How much time do users spend learning to use systems such as the classification scheme, catalogue or database?
http://www.w3.org/ns/prov#wasQuotedFrom	asksource.info