About: http://webisa.webdatacommons.org/166239429

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	What???s happening here is that the shell executes the contents of variable cmd as a single command, which means that everything after echo are treated as arguments to the echo utility, including the pipe.
http://www.w3.org/ns/prov#wasQuotedFrom	grepalex.com