About: http://webisa.webdatacommons.org/173287423

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	The addition applicative class DVOpAdd (Example 2), and similar classes are defined for other binary and unary operations, as well as functions, such as Log() or Sin().
http://www.w3.org/ns/prov#wasQuotedFrom	drdobbs.com