Konar, A., & Sidiropoulos, N. D. (2022). The Triangle-Densest-K-Subgraph Problem: Hardness, Lovász Extension, and Application to Document Summarization. Proceedings of the AAAI Conference on Artificial Intelligence, 36(4), 4075-4082. https://doi.org/10.1609/aaai.v36i4.20325