About: http://webisa.webdatacommons.org/8394025

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	They originated in Unix utilities such as grep, the Global Regular Expression Processor, and are now supported by most modern languages.
http://www.w3.org/ns/prov#wasQuotedFrom	wellho.net