About: http://webisa.webdatacommons.org/33223704

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	Basically, IMO, they are better founded to address essentially everything except possibly technical issues with a specific test or series of tests specific to the particular subfield of a given PhD, and average salary.
http://www.w3.org/ns/prov#wasQuotedFrom	studentdoctor.net