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. https://doi.org/10.1609/aaai.v35i14.17538