Saha, A., R. Shivanna, and C. Bhattacharyya. “How Many Pairwise Preferences Do We Need to Rank a Graph Consistently?”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 33, no. 01, July 2019, pp. 4830-7, doi:10.1609/aaai.v33i01.33014830.