Towards a thematic role based target identification model for question answering Rivindu Perera author Udayangi Perera author 2012-12 text Proceedings of the Workshop on Question Answering for Complex Domains Nanda Kambhatla editor Sachindra Joshi editor Ganesh Ramakrishnan editor Kiran Kate editor Priyanka Agrawal editor The COLING 2012 Organizing Committee Mumbai, India conference publication perera-perera-2012-towards https://aclanthology.org/W12-6004/ 2012-12 39 46