About: http://webisa.webdatacommons.org/450086361

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Tight, though shortages do exist in math and sciences, especially chemistry and physics.
http://www.w3.org/ns/prov#wasQuotedFrom	nea.org