About: http://webisa.webdatacommons.org/297975894

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	That is, they are symbols (usually single letters, such as x, or the E and m in E=mc2) which represent a numeric value.
http://www.w3.org/ns/prov#wasQuotedFrom	flashvideotrainingsource.com