Abousamra, S., M. Hoai, D. Samaras, and C. Chen. ‚ÄúLocalization in the Crowd With Topological Constraints‚ÄĚ. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 35, no. 2, May 2021, pp. 872-81, doi:10.1609/aaai.v35i2.16170.