About: http://webisa.webdatacommons.org/391428812

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	I find 'ease' is a good tool for making higher quality presentations than libreoffice, but I can not confirm from here whether you can save them as powerpoint files.
http://www.w3.org/ns/prov#wasQuotedFrom	askubuntu.com