<http://webisa.webdatacommons.org/prov/119474220>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/112805750> .
<http://webisa.webdatacommons.org/112805750>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/112805750>	<http://www.w3.org/ns/prov#value>	"That is why you need the definition of the file to tell you where the columns are and the data types of the columns." .
<http://webisa.webdatacommons.org/112805750>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<mikedavissql.com> .