About: http://webisa.webdatacommons.org/147419256

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	The main NAEP has tracked U.S. students' performance in reading, math, and other academic subjects since the early 1990s.
http://www.w3.org/ns/prov#wasQuotedFrom	adlit.org