About: http://webisa.webdatacommons.org/115554652

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	It covers such topics as primes and factoring them, set theory, topology, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org