About: http://webisa.webdatacommons.org/141301864

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	Typically, a principal is a person or group that exists outside of the presence model, but can also represent software or other resources capable of interacting with the presence service.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com