About: http://webisa.webdatacommons.org/217617445

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	As drawing is a flexible, invented, personal symbol or sign system, it is unconstrained and does not require learned interpretation (Caldwell & Moore, 1991).
http://www.w3.org/ns/prov#wasQuotedFrom	questia.com