id	value
1	http://www.zeitgeist-project.com/ontologies/2010/01/27/zg#UserActivity
2	http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#FileDataObject
3	http://zeitgeist-project.com/schema/1.0/core#UserActivity
4	http://www.semanticdesktop.org/ontologies/nfo/#FileDataObject
5	http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#RemoteDataObject
6	http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#SoftwareItem