Liou, Cheng-Yuan, Wei-Chen Cheng, Jiun-Wei Liou, and Daw-Ran Liou. "Autoencoder for words." Neurocomputing 139, no. 2 (2014): 84-96.

Liou, Cheng-Yuan, Jau-Chi Huang, and Wen-Chie Yang. "Modeling word perception using the Elman network." Neurocomputing 71, no. 16-18 (2008): 3150-3157.