About: http://webisa.webdatacommons.org/441002921

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	Thanks, I suppose if I had mentioned that there is a tip to make the change of variable, $p=\frac{(\xi-x)}{2\sqrt{t}}$ it would have made sense! which shows that your suggested route is the correct solution!
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com