About: http://webisa.webdatacommons.org/140594964

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	> Does this mean there are multiple forms of the echo command, or is this
http://www.w3.org/ns/prov#wasQuotedFrom	postgresql.org