About: http://webisa.webdatacommons.org/137887456

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	The present invention keeps track of which household members are at home at any given time and uses that information to provide telephone and other services that depend upon who is home.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com