About: http://webisa.webdatacommons.org/336741514

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	associated with these operations are a mystery and a source of considerable
http://www.w3.org/ns/prov#wasQuotedFrom	math-ed.com