<http://webisa.webdatacommons.org/prov/279942829>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/296117472> .
<http://webisa.webdatacommons.org/296117472>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<hindawi.com> .
<http://webisa.webdatacommons.org/296117472>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/296117472>	<http://www.w3.org/ns/prov#value>	"However, sludge is a biodegradable material and releases CO2, CH4, and other gases when disposed in landfills [13]." .