About: http://webisa.webdatacommons.org/113849440

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	Consequently, we recommend that error checking be included in the code so that if certain values are returned (for example, -3), a ROLLBACK TRANSACTION or alternative action is initiated.Here is an example:
http://www.w3.org/ns/prov#wasQuotedFrom	microsoft.com