About: http://webisa.webdatacommons.org/449366218

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	Presentations may be in any format, including but not limited to text files (e.g. in Microsoft Word), power point presentations, pdfs of poster presentations, MP3 audio files, or YouTube videos.
http://www.w3.org/ns/prov#wasQuotedFrom	upenn.edu