M. Döller, and N. Lefin. Graz, Austria, Know-Center Graz, Know-Center Graz, (September 2007)I-MEDIA ’07 I-SEMANTICS ’07 1st International Conferences on New Media Technology and Semantic Systems
http://i-media.tugraz.at/content/download/162/635/file/Proceedings%20of%20I-MEDIA_I-SEMANTICS'07.pdf.