Dialogue Act Recognition for Text-based Sinhala Sudheera Palihakkara author Dammina Sahabandu author Ahsan Shamsudeen author Chamika Bandara author Surangika Ranathunga author 2015-12 text Proceedings of the 12th International Conference on Natural Language Processing Dipti Misra Sharma editor Rajeev Sangal editor Elizabeth Sherly editor NLP Association of India Trivandrum, India conference publication palihakkara-etal-2015-dialogue https://aclanthology.org/W15-5952/ 2015-12 367 375