About: http://webisa.webdatacommons.org/410050856

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	They can also be used with presentation software, such as PowerPoint or Keynote, to create videos of your presentations which can then be converted into video files.
http://www.w3.org/ns/prov#wasQuotedFrom	elearningstuff.net