About: http://webisa.webdatacommons.org/453938787

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	In this case, the list forms of system and exec prevent the danger, because the shell is never invoked.
http://www.w3.org/ns/prov#wasQuotedFrom	perlmonks.org