About: http://webisa.webdatacommons.org/372105738

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	Labeling is similar to sorting into folders except labels are non-hierarchical and one message can have several labels.
http://www.w3.org/ns/prov#wasQuotedFrom	macademic.org