About: http://webisa.webdatacommons.org/260258649

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	Time Scales 8-19 A " time scale " is a system of assigning dates, i.e., a "time," to events; e.g., 6 January 1989, 13 h, 32 m, 46.382912 s, UTC, is a date.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net