About: http://webisa.webdatacommons.org/225976498

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	The different color icons on the Timeline represent elements such as quizzes, callouts, zoom effects, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net