3B Hetzler,W M Harris,S Harvre,and P Whitney,Visualizing the full spectrum of document relationships.In:Proceedings of the Fifth International Society for Knowledge Organization Conference,1998.
4M Hao,M Hsu,U Dayal,S F Wei,T Sprenger,T Holenstein.Market basket analysis visualization on a spherical surfaCe.HP Labs Technical Report,HPL -2001-3,2001.
5Jiawei Han and Micheiine Kamber,Data Mining:Concepts and Techniques,Simon Fraser University,2000.
