Learning phrase-level vocabulary in second language using pictures/gestures and voice Lavanya Prahallad author Prathyusha Danda author Radhika Mamidi author 2014-12 text Proceedings of the 11th International Conference on Natural Language Processing Dipti Misra Sharma editor Rajeev Sangal editor Jyoti D Pawar editor NLP Association of India Goa, India conference publication prahallad-etal-2014-learning https://aclanthology.org/W14-5119/ 2014-12 119 125