About: http://webisa.webdatacommons.org/213947535

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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	We are taking about third semester calculus and second semester physics and chemistry kinds of problems here.
http://www.w3.org/ns/prov#wasQuotedFrom	washingtonpost.com