About: http://webisa.webdatacommons.org/256559548

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	Also known are letters formed on the matrix such as an ???X??? or geometric patterns such as ???picture frame??? or ???postage stamp.???
http://www.w3.org/ns/prov#wasQuotedFrom	google.com