About: http://webisa.webdatacommons.org/209879085

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	r, i.e. the time elapsed since the parent started mi- grating regularly.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net