About: http://webisa.webdatacommons.org/427143791

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	An expression is a combination of symbols???identifiers, literals, functions, and operators???that yields a single data value.
http://www.w3.org/ns/prov#wasQuotedFrom	microsoft.com