About: http://webisa.webdatacommons.org/341471141

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 some of these embodiments, the motion of a surface or pattern on the sphere, such as dots or bars, is detected.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca