1. Agrawal, R., Faloutsos, C., Swami, A.N.: Efficient similarity search in sequence databases. In: Lomet, D.B. (ed.) Proceedings of the 4th International Conference on Foundations of Data Organization and Algorithms (FODO 1993), pp. 69–84. Springer, London (1993)
2. Chan, K., Fu, A.W.: Efficient time series matching by wavelets. In: Proceedings of the 15th IEEE International Conference on Data Engineering, Sydney, Australia, 23–26 March 1999, pp. 126–133 (1999)
3. Box, G., Jenkins, G.: Time Series Analysis: Forecasting and Control. Holden-Day, San Francisco (1970)
4. Chandola, V., Banerjee, A., Kumar, V.: Anomaly detection a survey. ACM Comput. Surv. 41(3), 1–72 (2009). Article 15
5. Diday, E.: The symbolic approach in clustering, in classification and related methods. In: Bock, H.H. (ed.) North-Holland Publishing Co., Amsterdam, The Netherlands (1988)