About: http://webisa.webdatacommons.org/29441018

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	And since Trac assigns a date to the milestone, we can sort of work backwards from that to determine when work needs to start for the milestone to be met.
http://www.w3.org/ns/prov#wasQuotedFrom	trac-hacks.org