About: http://webisa.webdatacommons.org/58719441

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	You save 2 to 8 times the disk space, for 2 to 8 bit columns (this is a big deal).
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com