Keith Andrews Wolfgang Kienreich Vedran Sabol Jutta Becker Georg Droschl Frank Kappe Michael Granitzer Peter Auer Klaus Tochtermann The InfoSky visual explorer: exploiting hierarchical structure and document similarities. 166-181 2002 1 Information Visualization 3-4 http://dx.doi.org/10.1057/palgrave.ivs.9500023 db/journals/ivs/ivs1.html#AndrewsKSBDKGAT02