About: http://webisa.webdatacommons.org/269595895

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	People can sign up in advance to pitch or just show up and add their name to the list of there is a slot available.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net