About: http://webisa.webdatacommons.org/287720759

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	Those symbols and notations are mostly faced by students, especially when they learn about arithmetic and algebra.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com