About: http://webisa.webdatacommons.org/438461530

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	One example is a system where a task T1 must wait for another task T2 to release a lock on an object before it can begin execution.
http://www.w3.org/ns/prov#wasQuotedFrom	informit.com