About: http://webisa.webdatacommons.org/311569645

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	tb and Vtb are values of Pt and Vt calculated 2Tu before, and n is an integer that represents the number of periods from the seek operation start time, where one period is Tu.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com