About: http://webisa.webdatacommons.org/40699502

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	Unless otherwise noted on the Content, reference to WGBH and PBS as the source of the Content is required for all Content including video clips, video stills, images, and lesson plans.
http://www.w3.org/ns/prov#wasQuotedFrom	pbslearningmedia.org