<http://webisa.webdatacommons.org/prov/437563753>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/59001600> .
<http://webisa.webdatacommons.org/59001600>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<umn.edu> .
<http://webisa.webdatacommons.org/59001600>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/428759774>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/59001600> .
<http://webisa.webdatacommons.org/59001600>	<http://www.w3.org/ns/prov#value>	"So there are no major changes in where materials are classified, with one exception: geographic subclasses, which occur many places in subclass ML, which formerly provided poorly for certain regions and countries, notably Central and South America." .