About: http://webisa.webdatacommons.org/336802742

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	Factor is a great language for learning about the composition of functions.
http://www.w3.org/ns/prov#wasQuotedFrom	pragprog.com