<http://webisa.webdatacommons.org/prov/161465324>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/111427530> .
<http://webisa.webdatacommons.org/111427530>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/111427530>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<slideshare.net> .
<http://webisa.webdatacommons.org/111427530>	<http://www.w3.org/ns/prov#value>	"Undelimited table and column names must start with a letter and cannot contain any symbols other than digits or an underscore _." .