About: http://webisa.webdatacommons.org/226664338

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	information on whether the event was a press or a release event is stored in both the button_type and button_state fields, but this should be obvious.
http://www.w3.org/ns/prov#wasQuotedFrom	perl.org