About: http://webisa.webdatacommons.org/123712136

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	are just trying to write out an equation to insert into a presentation or other document, the Microsoft Word equation editor should do the trick.
http://www.w3.org/ns/prov#wasQuotedFrom	eng-tips.com