About: http://webisa.webdatacommons.org/248576242

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	Without tools such as Mathematica, these authors often laboriously performed the calculations by hand or with first-generation computers.
http://www.w3.org/ns/prov#wasQuotedFrom	mathematica-journal.com