<http://webisa.webdatacommons.org/174101229>	<http://www.w3.org/ns/prov#value>	"The present invention relates to building structures and more particularly to building structures which are especially suited for use in the construction of greenhouses." .
<http://webisa.webdatacommons.org/prov/264521291>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/174101229> .
<http://webisa.webdatacommons.org/174101229>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<patents.com> .
<http://webisa.webdatacommons.org/174101229>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .