About: http://webisa.webdatacommons.org/100651310

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	The VcQueryDataSource 412 in turn points to a query object m_query, a member of VcQuery 414 which stores information about an SQL query, including the names and types of columns and parameters.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es