MMFeat: A Toolkit for Extracting Multi-Modal Features Douwe Kiela author 2016-08 text Proceedings of ACL-2016 System Demonstrations Sameer Pradhan editor Marianna Apidianaki editor Association for Computational Linguistics Berlin, Germany conference publication kiela-2016-mmfeat 10.18653/v1/P16-4010 https://aclanthology.org/P16-4010/ 2016-08 55 60