About: http://webisa.webdatacommons.org/93349252

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 fooled around with my Logitech multi-button mega mouse and could not make anything exactly like what you describe, even though one of the options is a middle click button.
http://www.w3.org/ns/prov#wasQuotedFrom	superuser.com