About: http://webisa.webdatacommons.org/146477933

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	For performance and other reasons, SQL Server reserves blocks of space on the HD (in the MDF file) for the each database's use (including tempDB).
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com