About: http://webisa.webdatacommons.org/292158055

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	Another source of perf problems is contention, locking, and blocking in the database if there are a lot of users or processing using the same table.
http://www.w3.org/ns/prov#wasQuotedFrom	msdn.com