About: http://webisa.webdatacommons.org/175665217

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 file search commands, but they are representative examples and the concepts can be applied in the use of tools such as sed, awk, perl and other programs that support regular expressions.
http://www.w3.org/ns/prov#wasQuotedFrom	softpanorama.org