Cheng, M.-Y., C.-W. Su, M.-H. Tsai, and K.-S. Lin. “Data Preprocessing for Artificial Neural Network Applications in Prioritizing Railroad Projects – a Practical Experience in Taiwan”. Journal of Civil Engineering and Management, vol. 18, no. 4, Sept. 2012, pp. 483-94, doi:10.3846/13923730.2012.699914.