About: http://webisa.webdatacommons.org/134771513

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	The quality of PDF equations looks much better and sharper, especially for the lines, root/radical signs, and small script/accent characters.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com