About: http://webisa.webdatacommons.org/109621356

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	3) Math functions such as sin, cos, acos, asin, tan, atan, sqrt... used for trig calculations as seen in: http://www.robotc.net/archive_curriculu ... gdemo.html
http://www.w3.org/ns/prov#wasQuotedFrom	robotc.net