About: http://webisa.webdatacommons.org/48748904

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	Variable announce intervals allow the tracker to control how often the tracker will receive a message, such as an announcement or a heartbeat message, from peers in the system.09-16-2010
http://www.w3.org/ns/prov#wasQuotedFrom	faqs.org