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M. Song, C. M. Breneman, J. Bi, N. Sukumar, K. P. Bennett, S. Cramer and N. Tugcu, “Prediction of Protein Retention Times in Anion-Exchange Chromatography Systems Using Support Vector Regression,” Journal of Chemical Information and Computer Sciences, Vol. 42, No. 6, 2002, pp. 1347-1357. doi:10.1021/ci025580t

has been cited by the following article:

• TITLE: Configuration for Predicting Travel-Time Using Wavelet Packets and Support Vector Regression

  AUTHORS: Adeel Yusuf, Vijay K. Madisetti

  KEYWORDS: Travel-Time Prediction; Wavelet Packets; Support Vector Regression; Advanced Traveler Information System

  JOURNAL NAME: Journal of Transportation Technologies, Vol.3 No.3, July 11, 2013

  ABSTRACT: Travel-time prediction has gained significance over the years especially in urban areas due to increasing traffic congestion. In this paper, the basic building blocks of the travel-time prediction models are discussed, with a small review of the previous work. A model for the travel-time prediction on freeways based on wavelet packet decomposition and support vector regression (WDSVR) is proposed, which used the multi-resolution and equivalent frequency distribution ability of the wavelet transform to train the support vector machines. The results are compared against the classical support vector regression (SVR) method. Our results indicated that the wavelet reconstructed coefficient when used as an input to the support vector machine for regression performed better (with selected wavelets only), when compared with the support vector regression model (without wavelet decomposition) with a prediction horizon of 45 minutes and more. The data used in this paper was taken from the California Department of Transportation (Caltrans) of District 12 with a detector density of 2.73, experiencing daily peak hours except most weekends. The data was stored for a period of 214 days accumulated over 5-minute intervals over a distance of 9.13 miles. The results indicated MAPE ranging from 12.35% to 14.75% against the classical SVR method with MAPE ranging from 12.57% to 15.84% with a prediction horizon of 45 minutes to 1 hour. The basic criteria for selection of wavelet basis for preprocessing the inputs of support vector machines are also explored to filter the set of wavelet families for the WDSVR model. Finally, a configuration of travel-time prediction on freeways is presented with interchangeable prediction methods.