1. M. Berry and S. Dumais. Using linear algebra for intelligent information retrieval. SIAM Review 37(4), pages 573–595, 1995.
2. D. Billsus and M. J. Pazzani. Learning collaborative information filters. Technical report, AAAI, July 1998.
3. Padraig Cunningham, Ralph Bergmann, S. Schmitt, R. Traphoener, and S. Breen. Websell: Intelligent sales assistants for the world wide web. Technical report, Trinity College Dublin, 2000.
4. S. Deerwester, S.T. Dumais, G.W. Furnas, T.K. Landauer, and R. Harshman. Indexing by latent semantic analysis. Journal of the American Society for Information Science, pages 391–407, 1990.
5. George E. Forsythe, Michael A. Malcolm, and Cleve B. Moler. Computer Methods for Mathematical Computations. Prentice-Hall, Englewood Cliffs, NJ 07632, USA, 1977.