About: http://webisa.webdatacommons.org/75164878

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	There is a flag in /proc/<pid>/stat that indicates whether that process is a kernel thread, so I would be inclined to believe the option that supports process hierarchy (-H).
http://www.w3.org/ns/prov#wasQuotedFrom	linuxquestions.org