About: http://webisa.webdatacommons.org/406635103

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 have tried to mount VBoxGuestAdditions.iso: But when I click on Devices, Install Guest Additions, I see this window: Also puzzling is that there is an option to force unmount when the text above says unable to mount.
http://www.w3.org/ns/prov#wasQuotedFrom	askubuntu.com