About: http://webisa.webdatacommons.org/127010292

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	BACKGROUND OF THE INVENTION Plastic bags are often used for holding and transporting food products which are purchased at grocery stores, restaurants and other food retailers.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com