About: http://webisa.webdatacommons.org/181770493

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	It does not do any blocking operations other than interacting with flusher thread, or taking syncedTillHere lock, which looks like it should be uncontested most of the time.
http://www.w3.org/ns/prov#wasQuotedFrom	apache.org