About: http://webisa.webdatacommons.org/75680083

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	These double buffers are guarded with appropriate semaphores to ensure proper concurrent access.The Write operation is a blocking call and returns after completing the write.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com