About: http://webisa.webdatacommons.org/159447495

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	There are no such things as PowerPoint presentations" ??? there are only effective presentations and ineffective ones.
http://www.w3.org/ns/prov#wasQuotedFrom	presentationzen.com