About: http://webisa.webdatacommons.org/371433967

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	??? Higher order derivatives of signum are denoted by signum(n, x), where n is a positive integer.
http://www.w3.org/ns/prov#wasQuotedFrom	maplesoft.com