About: http://webisa.webdatacommons.org/271338709

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	Each of the frames may for example have a typical length of from about 5 msec to about 50 msec, e.g. about 10 msec.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com