About: http://webisa.webdatacommons.org/437346626

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	the ownerid and userid could be different i.e. ownerid is the user who owns the task and userid is the user that created the task.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com