About: http://webisa.webdatacommons.org/12221241

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	In one embodiment, the predetermined time period is one minute, although other time periods may be used including time periods which are shorter than one minute, and time periods which are longer than one minute.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca