<http://webisa.webdatacommons.org/352296025>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/352296025>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/410863453>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/352296025> .
<http://webisa.webdatacommons.org/352296025>	<http://www.w3.org/ns/prov#value>	"Modifiers are substances such as CaO, Na2O, and K2O which alter the network and have effects on such properties as viscosity and melting point." .
<http://webisa.webdatacommons.org/prov/291782524>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/352296025> .