About: http://webisa.webdatacommons.org/122198878

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	Include notation such as asterisk (*) for multiplication, slash (/) for division, spacing, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	mathforum.org