About: http://webisa.webdatacommons.org/174463495

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	If the value of this field is set to true, then the activity is an event spanning a full day, and the ActivityDate defines the date of the event.
http://www.w3.org/ns/prov#wasQuotedFrom	salesforce.com