About: http://webisa.webdatacommons.org/371014496

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	it is unspecified whether that signal has any effect other than causing sleep() to return.
http://www.w3.org/ns/prov#wasQuotedFrom	opengroup.org