About: http://webisa.webdatacommons.org/284028154

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	This session is intended both for anyone interested in a general introduction to Mathematica and for developers interested in including tutorial materials in books, packages, and courseware.
http://www.w3.org/ns/prov#wasQuotedFrom	wolfram.com