4Chaomei Chen. Information Visualization beyond the Horizon - Second Edition. London: Springer - Verlag, 2004
5Tim Bemers -Lee, James Hendler and Ora Lassila. The semantic web. Scientific American,2001,284 ( 5 ) : 34 - 43
6Le Grand, B. , Soto, M. Visualisation of the Semantic Web: Topic Maps visualization. Information Visualisation. In:Proceedings of the Sixth International Conference on 10 -12 July, 2002:344 -349
7P. Auillans, P.d. Mendez, P. Rosenstiehl, and B. Vatant. A formal model for topic maps. In : Proceedings of the First International Semantic Web Conference on the Semantic Web, 2002:69 -83
8Auillans, P. Toward Topic Maps processing and visualization. Information Visualisation. In : Proceedings of the Sixth International Conference on 10 -12 July, 2002:333 -338
9Le Grand, B. , Soto, M. Information management -Topic Maps visualization . XML Europe 2000, Paris, France. http ://www. gca. org/papers/xmleurope2000/pdf/s29 -03. pdf( Accessed Dec. 25,2005 )
