Nuara, Alessandro, Francesco Trovò, Nicola Gatti, and Marcello Restelli. “A Combinatorial-Bandit Algorithm for the Online Joint Bid Budget Optimization of Pay-Per-Click Advertising Campaigns”. Proceedings of the AAAI Conference on Artificial Intelligence 32, no. 1 (April 26, 2018). Accessed May 30, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/11888.