About: http://webisa.webdatacommons.org/92567927

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	A marker is a label or demarcation (not shown) in a log (not shown) of the snapshots 148 and 150 that indicates where one checkpoint ends and another begins.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca