About: http://webisa.webdatacommons.org/163079369

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	functions, such as sin( ), cos( ), and sqrt( ), return double values.
http://www.w3.org/ns/prov#wasQuotedFrom	pageflip-flap.com