<http://webisa.webdatacommons.org/121835512>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/367375493>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/121835512> .
<http://webisa.webdatacommons.org/121835512>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<dbms2.com> .
<http://webisa.webdatacommons.org/121835512>	<http://www.w3.org/ns/prov#value>	"Greenplum now has, depending on how one counts, three or four main types of table:" .