About: http://webisa.webdatacommons.org/85675969

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	When the PBX device detects an event, such as the publisher being currently engaged in a telephone call, the PBX device can publish the detected event by determining an appropriate availability value that represents the event.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com