About: http://webisa.webdatacommons.org/172191161

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 a message is received at a router, the mask vector is set to Maybe in each position, except for the position corresponding to the link over which the message was received.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk