Song, K., Y. Kang, W. Gao, Z. Gao, C. Sun, and X. Liu. “Evidence Aware Neural Pornographic Text Identification for Child Protection”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 35, no. 17, May 2021, pp. 14939-47, doi:10.1609/aaai.v35i17.17753.