<http://webisa.webdatacommons.org/456554541>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<bbsrc.ac.uk> .
<http://webisa.webdatacommons.org/456554541>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/369102011>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/456554541> .
<http://webisa.webdatacommons.org/456554541>	<http://www.w3.org/ns/prov#value>	"One of the main categories of biomass is agricultural wastes, such as wheat straw from a farmer's field, but the problem is that the supply chain from field to factory is yet to be established." .