About: http://webisa.webdatacommons.org/63538878

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	Teachers??? unions often oppose compensation differences among teachers, whether for different levels of accomplishment, or for qualifying to teach subjects in which there are teacher shortages, such as math and science.
http://www.w3.org/ns/prov#wasQuotedFrom	newsmax.com