About: http://webisa.webdatacommons.org/137633772

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	A difficult-to-judge case is one where a page is an advertisement for a commercial product or service that may seem OnTopic.
http://www.w3.org/ns/prov#wasQuotedFrom	c2.com