About: http://webisa.webdatacommons.org/81846415

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	In this case, the DragLayer and other classes know more about the kind of layouts they are working with.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com