Feature Selection for Short Text Classification using Wavelet Packet Transform Anuj Mahajan author Sharmistha Jat author Shourya Roy author 2015-07 text Proceedings of the Nineteenth Conference on Computational Natural Language Learning Association for Computational Linguistics Beijing, China conference publication mahajan-etal-2015-feature 10.18653/v1/K15-1034 https://aclanthology.org/K15-1034/ 2015-07 321 326