Feng, S., S. Ravi, R. Kumar, P. Kuznetsova, W. Liu, A. Berg, T. Berg, and Y. Choi. “Refer-to-As Relations As Semantic Knowledge”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 29, no. 1, Feb. 2015, doi:10.1609/aaai.v29i1.9489.