About: http://webisa.webdatacommons.org/8168096

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	Thus, in particular embodiments, the transformation tools are operable to generate metadata (in other words, ???data about data???) regarding source data 20 received or extracted from various purchasing data sources 12.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com