About: http://webisa.webdatacommons.org/100660864

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	Then I used www.pdfonline.com to convert from PDF to HTML. The square root signs did not appear properly and some of the Cartesian coordinate plane diagrams had nothing on them except the grid.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com