<http://webisa.webdatacommons.org/212852817>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/212852817>	<http://www.w3.org/ns/prov#value>	"Processing may be providing a message or other notification sufficient to communicate the availability of User A to User B. [0069] After a period of time, assume that switch 14 detects that telephony device 16 is on-hook, which indicates that User A is not participating in a call via telephony device 16 and is available to receive a call." .
<http://webisa.webdatacommons.org/212852817>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/512548948>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/212852817> .