About: http://webisa.webdatacommons.org/370055057

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	It is possible for both methods to fail, especially if one person has a strict network firewall that blocks all attempts at sending/receiving data, thus causing a one-way call.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com