About: http://webisa.webdatacommons.org/126983097

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	Also we note that $f^{'}(x)$ has the point of discontinuity of the second species in x = 0 (in fact, the derivative may have only types of discontinuity of the second species)
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com