About: http://webisa.webdatacommons.org/242511858

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	Entering pcmanfm /home/$USER/folder should successfully open the folder (it does on 12.04), and so perhaps there is a problem with your installation.
http://www.w3.org/ns/prov#wasQuotedFrom	askubuntu.com