A Virtual Manipulative for Learning Log-Linear Models Francis Ferraro author Jason Eisner author 2013-08 text Proceedings of the Fourth Workshop on Teaching NLP and CL Ivan Derzhanski editor Dragomir Radev editor Association for Computational Linguistics Sofia, Bulgaria conference publication ferraro-eisner-2013-virtual https://aclanthology.org/W13-3411/ 2013-08 66 76