About: http://webisa.webdatacommons.org/245779180

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	grep is a program for printing out lines that match a particular pattern.
http://www.w3.org/ns/prov#wasQuotedFrom	tutsplus.com