About: http://webisa.webdatacommons.org/414214600

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	It details the problem hierarchy (the unit, section, or other divisions that contain the problem) and composition (the steps that make up a problem).
http://www.w3.org/ns/prov#wasQuotedFrom	cmu.edu