About: http://webisa.webdatacommons.org/445922828

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	PDF, video, and other materials.Also, ??? You can follow its outline to learn App Inventor, or customize it for use in ???
http://www.w3.org/ns/prov#wasQuotedFrom	ghanacrushers.com