About: http://webisa.webdatacommons.org/184712481

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	making professional looking documents extremely easy, e.g. numbering of figures, references, extremely good support for math markup
http://www.w3.org/ns/prov#wasQuotedFrom	superuser.com