Subramanian, A., D. Pruthi, H. Jhamtani, T. Berg-Kirkpatrick, and E. Hovy. “SPINE: SParse Interpretable Neural Embeddings”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 32, no. 1, Apr. 2018, https://ojs.aaai.org/index.php/AAAI/article/view/11935.