About: http://webisa.webdatacommons.org/268800523

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 fact, all that may be required is a sensing device that can detect if a user is focusing beyond an intermediate distance.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com