Hong, Y., Li, Q., Gong, R., Ciao, D., Huang, S., & Zhu, S.-C. (2021). SMART: A Situation Model for Algebra Story Problems via Attributed Grammar. Proceedings of the AAAI Conference on Artificial Intelligence, 35(14), 13009-13017. Retrieved from https://ojs.aaai.org/index.php/AAAI/article/view/17538