About: http://webisa.webdatacommons.org/49207177

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	As is well known, motorized barrier operators automatically open and close a barrier, such as a garage door or the like, through a path that is defined by a physical upper limit and a physical lower limit.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com