<http://webisa.webdatacommons.org/prov/62063774>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/188782700> .
<http://webisa.webdatacommons.org/188782700>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<docstoc.com> .
<http://webisa.webdatacommons.org/188782700>	<http://www.w3.org/ns/prov#value>	" Concrete is a hardened building material created by combining a binder i.e. cement (commonly" .
<http://webisa.webdatacommons.org/188782700>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .