About: http://webisa.webdatacommons.org/147712215

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	The main functions of ICMP 50 include error reporting, reachability testing (e.g., ??????pinging??????) congestion control, route-change notification, performance, subnet addressing and other maintenance.
http://www.w3.org/ns/prov#wasQuotedFrom	patentsmania.com