1. Barnett, V. and Lewis, T. (1994). Outliers in Statistical Data. John Wiley and Sons.
2. Breunig, M. M., Kriegel, H.-P., Ng, R. T., and Sander, J. (2000). LOF: identifying density-based local outliers. In ACM SIGMOD Int. Conf. on Management of Data, pages 93–104.
3. Christina Leslie, E. E. and Noble, W. S. (2002). The spectrum kernel: A string kernel for SVM protein classification. In Proceedings of the Pacific Symposium on Biocomputing (PSB-2002), Kaua’i, Hawaii.
4. Cristianini, N. and Shawe-Taylor, J. (2000). An Introduction to Support Vector Machines. Cambridge University Press, Cambridge, UK.
5. Denning, D. (1987). An intrusion detection model. IEEE Transactions on Software Engineering, SE-13:222–232.