About: http://webisa.webdatacommons.org/421816442

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 FIG. 7 it is assumed that the UT1, the UT3 and the UT4 have subscribed to the presence information on the UT2 to be delivered to them automatically, i.e. whenever the presence information changes, it is pushed to them.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com