About: http://webisa.webdatacommons.org/271306230

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	Earliest Uses of Math Terms and Symbols: These pages are great for finding the first known use of the division symbol, the fraction bar, the term x-intercept, or other mathematical terms or symbols.
http://www.w3.org/ns/prov#wasQuotedFrom	purplemath.com