<http://webisa.webdatacommons.org/367916049>	<http://www.w3.org/ns/prov#value>	"The problems exhibit a variety of types of singularities, near singularities, and other difficulties." .
<http://webisa.webdatacommons.org/367916049>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/367916049>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<nist.gov> .
<http://webisa.webdatacommons.org/prov/312568546>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/367916049> .