About: http://webisa.webdatacommons.org/213589206

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	I want to know how to close NSPopover programmatically, not by touching outside, because I want to assign it to an action (such as KeyDown Enter Key or other shortcut) because I open my NSPopover ...
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com