About: http://webisa.webdatacommons.org/421589703

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	At any moment during this affair, there is a group of students who haven???t yet given their presentations, a group of students who has, and at most one student who is in the middle of giving the presentation.
http://www.w3.org/ns/prov#wasQuotedFrom	unlearningmath.com