Detection of child exploiting chats from a mixed chat dataset as a text classification task Md. Waliur Rahman Miah author John Yearwood author Sid Kulkarni author 2011-12 text Proceedings of the Australasian Language Technology Association Workshop 2011 Diego Molla editor David Martinez editor Canberra, Australia conference publication miah-etal-2011-detection https://aclanthology.org/U11-1020/ 2011-12 157 165