About: http://webisa.webdatacommons.org/143272938

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	In Google???s case, the 20 percent doctrine led to some of their most successful products, including Gmail and AdSense.
http://www.w3.org/ns/prov#wasQuotedFrom	parksconservancy.org