About: http://webisa.webdatacommons.org/219721784

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	2D symbols ??? Two dimensional symbols have variable length and width and they can expand to hold other things, such as lists, strings or other symbols.
http://www.w3.org/ns/prov#wasQuotedFrom	codeproject.com