About: http://webisa.webdatacommons.org/343609034

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	Often, art and design authors refer to visual perception in an informal manner, using terms such as optical illusions or optical games, making no reference to scientific data.
http://www.w3.org/ns/prov#wasQuotedFrom	questia.com