A Multilingual Multimedia Indian Sign Language Dictionary Tool Tirthankar Dasgupta author Sambit Shukla author Sandeep Kumar author Synny Diwakar author Anupam Basu author 2008 text Proceedings of the 6th Workshop on Asian Language Resources conference publication dasgupta-etal-2008-multilingual https://aclanthology.org/I08-7008/ 2008